65571920

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5501}}^1$

素因数の和:5663

約数の個数: 40

約数和(自身を含む): 153505800

約数和(自身を除く): 87933880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5501, 5960, 11002, 11920, 22004, 27505, 44008, 55010, 88016, 110020, 220040, 440080, 819649, 1639298, 3278596, 4098245, 6557192, 8196490, 13114384, 16392980, 32785960, 65571920]

約数ペア:

[(1, 65571920), (2, 32785960), (4, 16392980), (5, 13114384), (8, 8196490), (10, 6557192), (16, 4098245), (20, 3278596), (40, 1639298), (80, 819649), (149, 440080), (298, 220040), (596, 110020), (745, 88016), (1192, 55010), (1490, 44008), (2384, 27505), (2980, 22004), (5501, 11920), (5960, 11002)]