61017860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{70951}}^1$

素因数の和:71003

約数の個数: 24

約数和(自身を含む): 131119296

約数和(自身を除く): 70101436

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 70951, 141902, 283804, 354755, 709510, 1419020, 3050893, 6101786, 12203572, 15254465, 30508930, 61017860]

約数ペア:

[(1, 61017860), (2, 30508930), (4, 15254465), (5, 12203572), (10, 6101786), (20, 3050893), (43, 1419020), (86, 709510), (172, 354755), (215, 283804), (430, 141902), (860, 70951)]