3956840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3191}}^1$

素因数の和:3233

約数の個数: 32

約数和(自身を含む): 9192960

約数和(自身を除く): 5236120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 3191, 6382, 12764, 15955, 25528, 31910, 63820, 98921, 127640, 197842, 395684, 494605, 791368, 989210, 1978420, 3956840]

約数ペア:

[(1, 3956840), (2, 1978420), (4, 989210), (5, 791368), (8, 494605), (10, 395684), (20, 197842), (31, 127640), (40, 98921), (62, 63820), (124, 31910), (155, 25528), (248, 15955), (310, 12764), (620, 6382), (1240, 3191)]