66989140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1049}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 146764800

約数和(自身を除く): 79775660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 412, 515, 620, 1030, 1049, 2060, 2098, 3193, 4196, 5245, 6386, 10490, 12772, 15965, 20980, 31930, 32519, 63860, 65038, 108047, 130076, 162595, 216094, 325190, 432188, 540235, 650380, 1080470, 2160940, 3349457, 6698914, 13397828, 16747285, 33494570, 66989140]

約数ペア:

[(1, 66989140), (2, 33494570), (4, 16747285), (5, 13397828), (10, 6698914), (20, 3349457), (31, 2160940), (62, 1080470), (103, 650380), (124, 540235), (155, 432188), (206, 325190), (310, 216094), (412, 162595), (515, 130076), (620, 108047), (1030, 65038), (1049, 63860), (2060, 32519), (2098, 31930), (3193, 20980), (4196, 15965), (5245, 12772), (6386, 10490)]