28837960

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4423}}^1$

素因数の和:4597

約数の個数: 32

約数和(自身を含む): 65298240

約数和(自身を除く): 36460280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 4423, 6520, 8846, 17692, 22115, 35384, 44230, 88460, 176920, 720949, 1441898, 2883796, 3604745, 5767592, 7209490, 14418980, 28837960]

約数ペア:

[(1, 28837960), (2, 14418980), (4, 7209490), (5, 5767592), (8, 3604745), (10, 2883796), (20, 1441898), (40, 720949), (163, 176920), (326, 88460), (652, 44230), (815, 35384), (1304, 22115), (1630, 17692), (3260, 8846), (4423, 6520)]