90680560

素因数分解:

$2^4\times 5^1\times {\mathrm{1133507}}^1$

素因数の和:1133520

約数の個数: 20

約数和(自身を含む): 210832488

約数和(自身を除く): 120151928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1133507, 2267014, 4534028, 5667535, 9068056, 11335070, 18136112, 22670140, 45340280, 90680560]

約数ペア:

[(1, 90680560), (2, 45340280), (4, 22670140), (5, 18136112), (8, 11335070), (10, 9068056), (16, 5667535), (20, 4534028), (40, 2267014), (80, 1133507)]