4098656920

素因数分解:

$2^3\times 5^1\times {\mathrm{2539}}^1\times {\mathrm{40357}}^1$

素因数の和:42907

約数の個数: 32

約数和(自身を含む): 9225838800

約数和(自身を除く): 5127181880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2539, 5078, 10156, 12695, 20312, 25390, 40357, 50780, 80714, 101560, 161428, 201785, 322856, 403570, 807140, 1614280, 102466423, 204932846, 409865692, 512332115, 819731384, 1024664230, 2049328460, 4098656920]

約数ペア:

[(1, 4098656920), (2, 2049328460), (4, 1024664230), (5, 819731384), (8, 512332115), (10, 409865692), (20, 204932846), (40, 102466423), (2539, 1614280), (5078, 807140), (10156, 403570), (12695, 322856), (20312, 201785), (25390, 161428), (40357, 101560), (50780, 80714)]