87775570

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2749}}^1$

素因数の和:2890

約数の個数: 32

約数和(自身を含む): 164736000

約数和(自身を除く): 76960430

約数列:

[1, 2, 5, 10, 31, 62, 103, 155, 206, 310, 515, 1030, 2749, 3193, 5498, 6386, 13745, 15965, 27490, 31930, 85219, 170438, 283147, 426095, 566294, 852190, 1415735, 2831470, 8777557, 17555114, 43887785, 87775570]

約数ペア:

[(1, 87775570), (2, 43887785), (5, 17555114), (10, 8777557), (31, 2831470), (62, 1415735), (103, 852190), (155, 566294), (206, 426095), (310, 283147), (515, 170438), (1030, 85219), (2749, 31930), (3193, 27490), (5498, 15965), (6386, 13745)]