38091820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{613}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 86647680

約数和(自身を除く): 48555860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 613, 956, 1195, 1226, 2390, 2452, 3065, 3107, 4780, 6130, 6214, 7969, 12260, 12428, 15535, 15938, 31070, 31876, 39845, 62140, 79690, 146507, 159380, 293014, 586028, 732535, 1465070, 1904591, 2930140, 3809182, 7618364, 9522955, 19045910, 38091820]

約数ペア:

[(1, 38091820), (2, 19045910), (4, 9522955), (5, 7618364), (10, 3809182), (13, 2930140), (20, 1904591), (26, 1465070), (52, 732535), (65, 586028), (130, 293014), (239, 159380), (260, 146507), (478, 79690), (613, 62140), (956, 39845), (1195, 31876), (1226, 31070), (2390, 15938), (2452, 15535), (3065, 12428), (3107, 12260), (4780, 7969), (6130, 6214)]