70400800

素因数分解:

$2^5\times 5^2\times {\mathrm{88001}}^1$

素因数の和:88021

約数の個数: 36

約数和(自身を含む): 171867906

約数和(自身を除く): 101467106

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 88001, 176002, 352004, 440005, 704008, 880010, 1408016, 1760020, 2200025, 2816032, 3520040, 4400050, 7040080, 8800100, 14080160, 17600200, 35200400, 70400800]

約数ペア:

[(1, 70400800), (2, 35200400), (4, 17600200), (5, 14080160), (8, 8800100), (10, 7040080), (16, 4400050), (20, 3520040), (25, 2816032), (32, 2200025), (40, 1760020), (50, 1408016), (80, 880010), (100, 704008), (160, 440005), (200, 352004), (400, 176002), (800, 88001)]