90759920

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{5701}}^1$

素因数の和:5913

約数の個数: 40

約数和(自身を含む): 212114400

約数和(自身を除く): 121354480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 5701, 7960, 11402, 15920, 22804, 28505, 45608, 57010, 91216, 114020, 228040, 456080, 1134499, 2268998, 4537996, 5672495, 9075992, 11344990, 18151984, 22689980, 45379960, 90759920]

約数ペア:

[(1, 90759920), (2, 45379960), (4, 22689980), (5, 18151984), (8, 11344990), (10, 9075992), (16, 5672495), (20, 4537996), (40, 2268998), (80, 1134499), (199, 456080), (398, 228040), (796, 114020), (995, 91216), (1592, 57010), (1990, 45608), (3184, 28505), (3980, 22804), (5701, 15920), (7960, 11402)]