8626420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 19994688

約数和(自身を除く): 11368268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 347, 452, 565, 694, 1130, 1243, 1388, 1735, 2260, 2486, 3470, 3817, 4972, 6215, 6940, 7634, 12430, 15268, 19085, 24860, 38170, 39211, 76340, 78422, 156844, 196055, 392110, 431321, 784220, 862642, 1725284, 2156605, 4313210, 8626420]

約数ペア:

[(1, 8626420), (2, 4313210), (4, 2156605), (5, 1725284), (10, 862642), (11, 784220), (20, 431321), (22, 392110), (44, 196055), (55, 156844), (110, 78422), (113, 76340), (220, 39211), (226, 38170), (347, 24860), (452, 19085), (565, 15268), (694, 12430), (1130, 7634), (1243, 6940), (1388, 6215), (1735, 4972), (2260, 3817), (2486, 3470)]