8269720

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2617}}^1$

素因数の和:2707

約数の個数: 32

約数和(自身を含む): 18849600

約数和(自身を除く): 10579880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 2617, 3160, 5234, 10468, 13085, 20936, 26170, 52340, 104680, 206743, 413486, 826972, 1033715, 1653944, 2067430, 4134860, 8269720]

約数ペア:

[(1, 8269720), (2, 4134860), (4, 2067430), (5, 1653944), (8, 1033715), (10, 826972), (20, 413486), (40, 206743), (79, 104680), (158, 52340), (316, 26170), (395, 20936), (632, 13085), (790, 10468), (1580, 5234), (2617, 3160)]