51204340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{13691}}^1$

素因数の和:13728

約数の個数: 48

約数和(自身を含む): 124213824

約数和(自身を除く): 73009484

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 13691, 27382, 54764, 68455, 136910, 150601, 232747, 273820, 301202, 465494, 602404, 753005, 930988, 1163735, 1506010, 2327470, 2560217, 3012020, 4654940, 5120434, 10240868, 12801085, 25602170, 51204340]

約数ペア:

[(1, 51204340), (2, 25602170), (4, 12801085), (5, 10240868), (10, 5120434), (11, 4654940), (17, 3012020), (20, 2560217), (22, 2327470), (34, 1506010), (44, 1163735), (55, 930988), (68, 753005), (85, 602404), (110, 465494), (170, 301202), (187, 273820), (220, 232747), (340, 150601), (374, 136910), (748, 68455), (935, 54764), (1870, 27382), (3740, 13691)]