10219640

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1069}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 23112000

約数和(自身を除く): 12892360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1069, 1195, 1912, 2138, 2390, 4276, 4780, 5345, 8552, 9560, 10690, 21380, 42760, 255491, 510982, 1021964, 1277455, 2043928, 2554910, 5109820, 10219640]

約数ペア:

[(1, 10219640), (2, 5109820), (4, 2554910), (5, 2043928), (8, 1277455), (10, 1021964), (20, 510982), (40, 255491), (239, 42760), (478, 21380), (956, 10690), (1069, 9560), (1195, 8552), (1912, 5345), (2138, 4780), (2390, 4276)]