12896720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4357}}^1$

素因数の和:4407

約数の個数: 40

約数和(自身を含む): 30802344

約数和(自身を除く): 17905624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 4357, 8714, 17428, 21785, 34856, 43570, 69712, 87140, 161209, 174280, 322418, 348560, 644836, 806045, 1289672, 1612090, 2579344, 3224180, 6448360, 12896720]

約数ペア:

[(1, 12896720), (2, 6448360), (4, 3224180), (5, 2579344), (8, 1612090), (10, 1289672), (16, 806045), (20, 644836), (37, 348560), (40, 322418), (74, 174280), (80, 161209), (148, 87140), (185, 69712), (296, 43570), (370, 34856), (592, 21785), (740, 17428), (1480, 8714), (2960, 4357)]