12952840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4099}}^1$

素因数の和:4189

約数の個数: 32

約数和(自身を含む): 29520000

約数和(自身を除く): 16567160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 4099, 8198, 16396, 20495, 32792, 40990, 81980, 163960, 323821, 647642, 1295284, 1619105, 2590568, 3238210, 6476420, 12952840]

約数ペア:

[(1, 12952840), (2, 6476420), (4, 3238210), (5, 2590568), (8, 1619105), (10, 1295284), (20, 647642), (40, 323821), (79, 163960), (158, 81980), (316, 40990), (395, 32792), (632, 20495), (790, 16396), (1580, 8198), (3160, 4099)]