67220180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{78163}}^1$

素因数の和:78215

約数の個数: 24

約数和(自身を含む): 144447072

約数和(自身を除く): 77226892

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 78163, 156326, 312652, 390815, 781630, 1563260, 3361009, 6722018, 13444036, 16805045, 33610090, 67220180]

約数ペア:

[(1, 67220180), (2, 33610090), (4, 16805045), (5, 13444036), (10, 6722018), (20, 3361009), (43, 1563260), (86, 781630), (172, 390815), (215, 312652), (430, 156326), (860, 78163)]