7913680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3191}}^1$

素因数の和:3235

約数の個数: 40

約数和(自身を含む): 18998784

約数和(自身を除く): 11085104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 3191, 6382, 12764, 15955, 25528, 31910, 51056, 63820, 98921, 127640, 197842, 255280, 395684, 494605, 791368, 989210, 1582736, 1978420, 3956840, 7913680]

約数ペア:

[(1, 7913680), (2, 3956840), (4, 1978420), (5, 1582736), (8, 989210), (10, 791368), (16, 494605), (20, 395684), (31, 255280), (40, 197842), (62, 127640), (80, 98921), (124, 63820), (155, 51056), (248, 31910), (310, 25528), (496, 15955), (620, 12764), (1240, 6382), (2480, 3191)]