8172340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{307}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 18938304

約数和(自身を除く): 10765964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 307, 484, 605, 614, 1210, 1228, 1331, 1535, 2420, 2662, 3070, 3377, 5324, 6140, 6655, 6754, 13310, 13508, 16885, 26620, 33770, 37147, 67540, 74294, 148588, 185735, 371470, 408617, 742940, 817234, 1634468, 2043085, 4086170, 8172340]

約数ペア:

[(1, 8172340), (2, 4086170), (4, 2043085), (5, 1634468), (10, 817234), (11, 742940), (20, 408617), (22, 371470), (44, 185735), (55, 148588), (110, 74294), (121, 67540), (220, 37147), (242, 33770), (307, 26620), (484, 16885), (605, 13508), (614, 13310), (1210, 6754), (1228, 6655), (1331, 6140), (1535, 5324), (2420, 3377), (2662, 3070)]