39240080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 160

約数和(自身を含む): 109600128

約数和(自身を除く): 70360048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 43, 44, 55, 61, 68, 80, 85, 86, 88, 110, 122, 136, 170, 172, 176, 187, 215, 220, 244, 272, 305, 340, 344, 374, 430, 440, 473, 488, 610, 671, 680, 688, 731, 748, 860, 880, 935, 946, 976, 1037, 1220, 1342, 1360, 1462, 1496, 1720, 1870, 1892, 2074, 2365, 2440, 2623, 2684, 2924, 2992, 3355, 3440, 3655, 3740, 3784, 4148, 4730, 4880, 5185, 5246, 5368, 5848, 6710, 7310, 7480, 7568, 8041, 8296, 9460, 10370, 10492, 10736, 11407, 11696, 13115, 13420, 14620, 14960, 16082, 16592, 18920, 20740, 20984, 22814, 26230, 26840, 28853, 29240, 32164, 37840, 40205, 41480, 41968, 44591, 45628, 52460, 53680, 57035, 57706, 58480, 64328, 80410, 82960, 89182, 91256, 104920, 114070, 115412, 128656, 144265, 160820, 178364, 182512, 209840, 222955, 228140, 230824, 288530, 321640, 356728, 445910, 456280, 461648, 490501, 577060, 643280, 713456, 891820, 912560, 981002, 1154120, 1783640, 1962004, 2308240, 2452505, 3567280, 3924008, 4905010, 7848016, 9810020, 19620040, 39240080]

約数ペア:

[(1, 39240080), (2, 19620040), (4, 9810020), (5, 7848016), (8, 4905010), (10, 3924008), (11, 3567280), (16, 2452505), (17, 2308240), (20, 1962004), (22, 1783640), (34, 1154120), (40, 981002), (43, 912560), (44, 891820), (55, 713456), (61, 643280), (68, 577060), (80, 490501), (85, 461648), (86, 456280), (88, 445910), (110, 356728), (122, 321640), (136, 288530), (170, 230824), (172, 228140), (176, 222955), (187, 209840), (215, 182512), (220, 178364), (244, 160820), (272, 144265), (305, 128656), (340, 115412), (344, 114070), (374, 104920), (430, 91256), (440, 89182), (473, 82960), (488, 80410), (610, 64328), (671, 58480), (680, 57706), (688, 57035), (731, 53680), (748, 52460), (860, 45628), (880, 44591), (935, 41968), (946, 41480), (976, 40205), (1037, 37840), (1220, 32164), (1342, 29240), (1360, 28853), (1462, 26840), (1496, 26230), (1720, 22814), (1870, 20984), (1892, 20740), (2074, 18920), (2365, 16592), (2440, 16082), (2623, 14960), (2684, 14620), (2924, 13420), (2992, 13115), (3355, 11696), (3440, 11407), (3655, 10736), (3740, 10492), (3784, 10370), (4148, 9460), (4730, 8296), (4880, 8041), (5185, 7568), (5246, 7480), (5368, 7310), (5848, 6710)]