50781280

素因数分解:

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

素因数の和:141

約数の個数: 144

約数和(自身を含む): 137147472

約数和(自身を除く): 86366192

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 61, 80, 86, 88, 110, 121, 122, 160, 172, 176, 215, 220, 242, 244, 305, 344, 352, 430, 440, 473, 484, 488, 605, 610, 671, 688, 860, 880, 946, 968, 976, 1210, 1220, 1342, 1376, 1720, 1760, 1892, 1936, 1952, 2365, 2420, 2440, 2623, 2684, 3355, 3440, 3784, 3872, 4730, 4840, 4880, 5203, 5246, 5368, 6710, 6880, 7381, 7568, 9460, 9680, 9760, 10406, 10492, 10736, 13115, 13420, 14762, 15136, 18920, 19360, 20812, 20984, 21472, 26015, 26230, 26840, 28853, 29524, 36905, 37840, 41624, 41968, 52030, 52460, 53680, 57706, 59048, 73810, 75680, 83248, 83936, 104060, 104920, 107360, 115412, 118096, 144265, 147620, 166496, 208120, 209840, 230824, 236192, 288530, 295240, 317383, 416240, 419680, 461648, 577060, 590480, 634766, 832480, 923296, 1154120, 1180960, 1269532, 1586915, 2308240, 2539064, 3173830, 4616480, 5078128, 6347660, 10156256, 12695320, 25390640, 50781280]

約数ペア:

[(1, 50781280), (2, 25390640), (4, 12695320), (5, 10156256), (8, 6347660), (10, 5078128), (11, 4616480), (16, 3173830), (20, 2539064), (22, 2308240), (32, 1586915), (40, 1269532), (43, 1180960), (44, 1154120), (55, 923296), (61, 832480), (80, 634766), (86, 590480), (88, 577060), (110, 461648), (121, 419680), (122, 416240), (160, 317383), (172, 295240), (176, 288530), (215, 236192), (220, 230824), (242, 209840), (244, 208120), (305, 166496), (344, 147620), (352, 144265), (430, 118096), (440, 115412), (473, 107360), (484, 104920), (488, 104060), (605, 83936), (610, 83248), (671, 75680), (688, 73810), (860, 59048), (880, 57706), (946, 53680), (968, 52460), (976, 52030), (1210, 41968), (1220, 41624), (1342, 37840), (1376, 36905), (1720, 29524), (1760, 28853), (1892, 26840), (1936, 26230), (1952, 26015), (2365, 21472), (2420, 20984), (2440, 20812), (2623, 19360), (2684, 18920), (3355, 15136), (3440, 14762), (3784, 13420), (3872, 13115), (4730, 10736), (4840, 10492), (4880, 10406), (5203, 9760), (5246, 9680), (5368, 9460), (6710, 7568), (6880, 7381)]