89186680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{18427}}^1$

素因数の和:18460

約数の個数: 48

約数和(自身を含む): 220583160

約数和(自身を除く): 131396480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 18427, 36854, 73708, 92135, 147416, 184270, 202697, 368540, 405394, 737080, 810788, 1013485, 1621576, 2026970, 2229667, 4053940, 4459334, 8107880, 8918668, 11148335, 17837336, 22296670, 44593340, 89186680]

約数ペア:

[(1, 89186680), (2, 44593340), (4, 22296670), (5, 17837336), (8, 11148335), (10, 8918668), (11, 8107880), (20, 4459334), (22, 4053940), (40, 2229667), (44, 2026970), (55, 1621576), (88, 1013485), (110, 810788), (121, 737080), (220, 405394), (242, 368540), (440, 202697), (484, 184270), (605, 147416), (968, 92135), (1210, 73708), (2420, 36854), (4840, 18427)]