15697532720

素因数分解:

$2^4\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{121951}}^1$

素因数の和:123573

約数の個数: 40

約数和(自身を含む): 36519745920

約数和(自身を除く): 20822213200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1609, 3218, 6436, 8045, 12872, 16090, 25744, 32180, 64360, 121951, 128720, 243902, 487804, 609755, 975608, 1219510, 1951216, 2439020, 4878040, 9756080, 196219159, 392438318, 784876636, 981095795, 1569753272, 1962191590, 3139506544, 3924383180, 7848766360, 15697532720]

約数ペア:

[(1, 15697532720), (2, 7848766360), (4, 3924383180), (5, 3139506544), (8, 1962191590), (10, 1569753272), (16, 981095795), (20, 784876636), (40, 392438318), (80, 196219159), (1609, 9756080), (3218, 4878040), (6436, 2439020), (8045, 1951216), (12872, 1219510), (16090, 975608), (25744, 609755), (32180, 487804), (64360, 243902), (121951, 128720)]