87166420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{12781}}^1$

素因数の和:12832

約数の個数: 48

約数和(自身を含む): 206148096

約数和(自身を除く): 118981676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 12781, 25562, 51124, 63905, 127810, 140591, 255620, 281182, 396211, 562364, 702955, 792422, 1405910, 1584844, 1981055, 2811820, 3962110, 4358321, 7924220, 8716642, 17433284, 21791605, 43583210, 87166420]

約数ペア:

[(1, 87166420), (2, 43583210), (4, 21791605), (5, 17433284), (10, 8716642), (11, 7924220), (20, 4358321), (22, 3962110), (31, 2811820), (44, 1981055), (55, 1584844), (62, 1405910), (110, 792422), (124, 702955), (155, 562364), (220, 396211), (310, 281182), (341, 255620), (620, 140591), (682, 127810), (1364, 63905), (1705, 51124), (3410, 25562), (6820, 12781)]