1188520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 2740320

約数和(自身を除く): 1551800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 691, 860, 1382, 1720, 2764, 3455, 5528, 6910, 13820, 27640, 29713, 59426, 118852, 148565, 237704, 297130, 594260, 1188520]

約数ペア:

[(1, 1188520), (2, 594260), (4, 297130), (5, 237704), (8, 148565), (10, 118852), (20, 59426), (40, 29713), (43, 27640), (86, 13820), (172, 6910), (215, 5528), (344, 3455), (430, 2764), (691, 1720), (860, 1382)]