90415910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{827}}^1$

素因数の和:905

約数の個数: 48

約数和(自身を含む): 181739376

約数和(自身を除く): 91323466

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 827, 841, 1654, 1682, 1885, 3770, 4135, 4205, 8270, 8410, 10751, 10933, 21502, 21866, 23983, 47966, 53755, 54665, 107510, 109330, 119915, 239830, 311779, 623558, 695507, 1391014, 1558895, 3117790, 3477535, 6955070, 9041591, 18083182, 45207955, 90415910]

約数ペア:

[(1, 90415910), (2, 45207955), (5, 18083182), (10, 9041591), (13, 6955070), (26, 3477535), (29, 3117790), (58, 1558895), (65, 1391014), (130, 695507), (145, 623558), (290, 311779), (377, 239830), (754, 119915), (827, 109330), (841, 107510), (1654, 54665), (1682, 53755), (1885, 47966), (3770, 23983), (4135, 21866), (4205, 21502), (8270, 10933), (8410, 10751)]