2667717980

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{256019}}^1$

素因数の和:256549

約数の個数: 24

約数和(自身を含む): 5612982480

約数和(自身を除く): 2945264500

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 256019, 512038, 1024076, 1280095, 2560190, 5120380, 133385899, 266771798, 533543596, 666929495, 1333858990, 2667717980]

約数ペア:

[(1, 2667717980), (2, 1333858990), (4, 666929495), (5, 533543596), (10, 266771798), (20, 133385899), (521, 5120380), (1042, 2560190), (2084, 1280095), (2605, 1024076), (5210, 512038), (10420, 256019)]