27947980

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8573}}^1$

素因数の和:8745

約数の個数: 24

約数和(自身を含む): 59057712

約数和(自身を除く): 31109732

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 8573, 17146, 34292, 42865, 85730, 171460, 1397399, 2794798, 5589596, 6986995, 13973990, 27947980]

約数ペア:

[(1, 27947980), (2, 13973990), (4, 6986995), (5, 5589596), (10, 2794798), (20, 1397399), (163, 171460), (326, 85730), (652, 42865), (815, 34292), (1630, 17146), (3260, 8573)]