1639771640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3153407}}^1$

素因数の和:3153431

約数の個数: 32

約数和(自身を含む): 3973294080

約数和(自身を除く): 2333522440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3153407, 6306814, 12613628, 15767035, 25227256, 31534070, 40994291, 63068140, 81988582, 126136280, 163977164, 204971455, 327954328, 409942910, 819885820, 1639771640]

約数ペア:

[(1, 1639771640), (2, 819885820), (4, 409942910), (5, 327954328), (8, 204971455), (10, 163977164), (13, 126136280), (20, 81988582), (26, 63068140), (40, 40994291), (52, 31534070), (65, 25227256), (104, 15767035), (130, 12613628), (260, 6306814), (520, 3153407)]