2497336840

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{476591}}^1$

素因数の和:476733

約数の個数: 32

約数和(自身を含む): 5661912960

約数和(自身を除く): 3164576120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 476591, 953182, 1906364, 2382955, 3812728, 4765910, 9531820, 19063640, 62433421, 124866842, 249733684, 312167105, 499467368, 624334210, 1248668420, 2497336840]

約数ペア:

[(1, 2497336840), (2, 1248668420), (4, 624334210), (5, 499467368), (8, 312167105), (10, 249733684), (20, 124866842), (40, 62433421), (131, 19063640), (262, 9531820), (524, 4765910), (655, 3812728), (1048, 2382955), (1310, 1906364), (2620, 953182), (5240, 476591)]