80387560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{977}}^1$

素因数の和:1027

約数の個数: 96

約数和(自身を含む): 210719880

約数和(自身を除く): 130332320

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 121, 136, 170, 187, 220, 242, 340, 374, 440, 484, 605, 680, 748, 935, 968, 977, 1210, 1496, 1870, 1954, 2057, 2420, 3740, 3908, 4114, 4840, 4885, 7480, 7816, 8228, 9770, 10285, 10747, 16456, 16609, 19540, 20570, 21494, 33218, 39080, 41140, 42988, 53735, 66436, 82280, 83045, 85976, 107470, 118217, 132872, 166090, 182699, 214940, 236434, 332180, 365398, 429880, 472868, 591085, 664360, 730796, 913495, 945736, 1182170, 1461592, 1826990, 2009689, 2364340, 3653980, 4019378, 4728680, 7307960, 8038756, 10048445, 16077512, 20096890, 40193780, 80387560]

約数ペア:

[(1, 80387560), (2, 40193780), (4, 20096890), (5, 16077512), (8, 10048445), (10, 8038756), (11, 7307960), (17, 4728680), (20, 4019378), (22, 3653980), (34, 2364340), (40, 2009689), (44, 1826990), (55, 1461592), (68, 1182170), (85, 945736), (88, 913495), (110, 730796), (121, 664360), (136, 591085), (170, 472868), (187, 429880), (220, 365398), (242, 332180), (340, 236434), (374, 214940), (440, 182699), (484, 166090), (605, 132872), (680, 118217), (748, 107470), (935, 85976), (968, 83045), (977, 82280), (1210, 66436), (1496, 53735), (1870, 42988), (1954, 41140), (2057, 39080), (2420, 33218), (3740, 21494), (3908, 20570), (4114, 19540), (4840, 16609), (4885, 16456), (7480, 10747), (7816, 10285), (8228, 9770)]