163275920

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4871}}^1$

素因数の和:5303

約数の個数: 40

約数和(自身を含む): 380600640

約数和(自身を除く): 217324720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1676, 2095, 3352, 4190, 4871, 6704, 8380, 9742, 16760, 19484, 24355, 33520, 38968, 48710, 77936, 97420, 194840, 389680, 2040949, 4081898, 8163796, 10204745, 16327592, 20409490, 32655184, 40818980, 81637960, 163275920]

約数ペア:

[(1, 163275920), (2, 81637960), (4, 40818980), (5, 32655184), (8, 20409490), (10, 16327592), (16, 10204745), (20, 8163796), (40, 4081898), (80, 2040949), (419, 389680), (838, 194840), (1676, 97420), (2095, 77936), (3352, 48710), (4190, 38968), (4871, 33520), (6704, 24355), (8380, 19484), (9742, 16760)]