156688560020

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{9684089}}^1$

素因数の和:9684907

約数の個数: 24

約数和(自身を含む): 329452741800

約数和(自身を除く): 172764181780

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 9684089, 19368178, 38736356, 48420445, 96840890, 193681780, 7834428001, 15668856002, 31337712004, 39172140005, 78344280010, 156688560020]

約数ペア:

[(1, 156688560020), (2, 78344280010), (4, 39172140005), (5, 31337712004), (10, 15668856002), (20, 7834428001), (809, 193681780), (1618, 96840890), (3236, 48420445), (4045, 38736356), (8090, 19368178), (16180, 9684089)]