28495660

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8741}}^1$

素因数の和:8913

約数の個数: 24

約数和(自身を含む): 60214896

約数和(自身を除く): 31719236

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 8741, 17482, 34964, 43705, 87410, 174820, 1424783, 2849566, 5699132, 7123915, 14247830, 28495660]

約数ペア:

[(1, 28495660), (2, 14247830), (4, 7123915), (5, 5699132), (10, 2849566), (20, 1424783), (163, 174820), (326, 87410), (652, 43705), (815, 34964), (1630, 17482), (3260, 8741)]