12509320

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1129}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 28272600

約数和(自身を除く): 15763280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1129, 1385, 2216, 2258, 2770, 4516, 5540, 5645, 9032, 11080, 11290, 22580, 45160, 312733, 625466, 1250932, 1563665, 2501864, 3127330, 6254660, 12509320]

約数ペア:

[(1, 12509320), (2, 6254660), (4, 3127330), (5, 2501864), (8, 1563665), (10, 1250932), (20, 625466), (40, 312733), (277, 45160), (554, 22580), (1108, 11290), (1129, 11080), (1385, 9032), (2216, 5645), (2258, 5540), (2770, 4516)]