40072020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{667867}}^1$

素因数の和:667879

約数の個数: 24

約数和(自身を含む): 112201824

約数和(自身を除く): 72129804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 667867, 1335734, 2003601, 2671468, 3339335, 4007202, 6678670, 8014404, 10018005, 13357340, 20036010, 40072020]

約数ペア:

[(1, 40072020), (2, 20036010), (3, 13357340), (4, 10018005), (5, 8014404), (6, 6678670), (10, 4007202), (12, 3339335), (15, 2671468), (20, 2003601), (30, 1335734), (60, 667867)]