12629080

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2011}}^1$

素因数の和:2179

約数の個数: 32

約数和(自身を含む): 28610640

約数和(自身を除く): 15981560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 2011, 3140, 4022, 6280, 8044, 10055, 16088, 20110, 40220, 80440, 315727, 631454, 1262908, 1578635, 2525816, 3157270, 6314540, 12629080]

約数ペア:

[(1, 12629080), (2, 6314540), (4, 3157270), (5, 2525816), (8, 1578635), (10, 1262908), (20, 631454), (40, 315727), (157, 80440), (314, 40220), (628, 20110), (785, 16088), (1256, 10055), (1570, 8044), (2011, 6280), (3140, 4022)]