68910140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2477}}^1$

素因数の和:2606

約数の個数: 48

約数和(自身を含む): 157362912

約数和(自身を除く): 88452772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 214, 260, 428, 535, 1070, 1391, 2140, 2477, 2782, 4954, 5564, 6955, 9908, 12385, 13910, 24770, 27820, 32201, 49540, 64402, 128804, 161005, 265039, 322010, 530078, 644020, 1060156, 1325195, 2650390, 3445507, 5300780, 6891014, 13782028, 17227535, 34455070, 68910140]

約数ペア:

[(1, 68910140), (2, 34455070), (4, 17227535), (5, 13782028), (10, 6891014), (13, 5300780), (20, 3445507), (26, 2650390), (52, 1325195), (65, 1060156), (107, 644020), (130, 530078), (214, 322010), (260, 265039), (428, 161005), (535, 128804), (1070, 64402), (1391, 49540), (2140, 32201), (2477, 27820), (2782, 24770), (4954, 13910), (5564, 12385), (6955, 9908)]