40193780

素因数分解:

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

素因数の和:1025

約数の個数: 72

約数和(自身を含む): 98335944

約数和(自身を除く): 58142164

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 748, 935, 977, 1210, 1870, 1954, 2057, 2420, 3740, 3908, 4114, 4885, 8228, 9770, 10285, 10747, 16609, 19540, 20570, 21494, 33218, 41140, 42988, 53735, 66436, 83045, 107470, 118217, 166090, 182699, 214940, 236434, 332180, 365398, 472868, 591085, 730796, 913495, 1182170, 1826990, 2009689, 2364340, 3653980, 4019378, 8038756, 10048445, 20096890, 40193780]

約数ペア:

[(1, 40193780), (2, 20096890), (4, 10048445), (5, 8038756), (10, 4019378), (11, 3653980), (17, 2364340), (20, 2009689), (22, 1826990), (34, 1182170), (44, 913495), (55, 730796), (68, 591085), (85, 472868), (110, 365398), (121, 332180), (170, 236434), (187, 214940), (220, 182699), (242, 166090), (340, 118217), (374, 107470), (484, 83045), (605, 66436), (748, 53735), (935, 42988), (977, 41140), (1210, 33218), (1870, 21494), (1954, 20570), (2057, 19540), (2420, 16609), (3740, 10747), (3908, 10285), (4114, 9770), (4885, 8228)]