55369820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2309}}^1$

素因数の和:2438

約数の個数: 48

約数和(自身を含む): 128066400

約数和(自身を除く): 72696580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2309, 2398, 4618, 4796, 5995, 9236, 11545, 11990, 23090, 23980, 25399, 46180, 50798, 101596, 126995, 251681, 253990, 503362, 507980, 1006724, 1258405, 2516810, 2768491, 5033620, 5536982, 11073964, 13842455, 27684910, 55369820]

約数ペア:

[(1, 55369820), (2, 27684910), (4, 13842455), (5, 11073964), (10, 5536982), (11, 5033620), (20, 2768491), (22, 2516810), (44, 1258405), (55, 1006724), (109, 507980), (110, 503362), (218, 253990), (220, 251681), (436, 126995), (545, 101596), (1090, 50798), (1199, 46180), (2180, 25399), (2309, 23980), (2398, 23090), (4618, 11990), (4796, 11545), (5995, 9236)]