4129840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:75

約数の個数: 120

約数和(自身を含む): 11905488

約数和(自身を除く): 7775648

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 80, 88, 95, 104, 110, 130, 143, 152, 176, 190, 208, 209, 220, 247, 260, 286, 304, 361, 380, 418, 440, 494, 520, 572, 715, 722, 760, 836, 880, 988, 1040, 1045, 1144, 1235, 1430, 1444, 1520, 1672, 1805, 1976, 2090, 2288, 2470, 2717, 2860, 2888, 3344, 3610, 3952, 3971, 4180, 4693, 4940, 5434, 5720, 5776, 7220, 7942, 8360, 9386, 9880, 10868, 11440, 13585, 14440, 15884, 16720, 18772, 19760, 19855, 21736, 23465, 27170, 28880, 31768, 37544, 39710, 43472, 46930, 51623, 54340, 63536, 75088, 79420, 93860, 103246, 108680, 158840, 187720, 206492, 217360, 258115, 317680, 375440, 412984, 516230, 825968, 1032460, 2064920, 4129840]

約数ペア:

[(1, 4129840), (2, 2064920), (4, 1032460), (5, 825968), (8, 516230), (10, 412984), (11, 375440), (13, 317680), (16, 258115), (19, 217360), (20, 206492), (22, 187720), (26, 158840), (38, 108680), (40, 103246), (44, 93860), (52, 79420), (55, 75088), (65, 63536), (76, 54340), (80, 51623), (88, 46930), (95, 43472), (104, 39710), (110, 37544), (130, 31768), (143, 28880), (152, 27170), (176, 23465), (190, 21736), (208, 19855), (209, 19760), (220, 18772), (247, 16720), (260, 15884), (286, 14440), (304, 13585), (361, 11440), (380, 10868), (418, 9880), (440, 9386), (494, 8360), (520, 7942), (572, 7220), (715, 5776), (722, 5720), (760, 5434), (836, 4940), (880, 4693), (988, 4180), (1040, 3971), (1045, 3952), (1144, 3610), (1235, 3344), (1430, 2888), (1444, 2860), (1520, 2717), (1672, 2470), (1805, 2288), (1976, 2090)]