72620720

素因数分解:

$2^4\times 5^1\times {\mathrm{907759}}^1$

素因数の和:907772

約数の個数: 20

約数和(自身を含む): 168843360

約数和(自身を除く): 96222640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 907759, 1815518, 3631036, 4538795, 7262072, 9077590, 14524144, 18155180, 36310360, 72620720]

約数ペア:

[(1, 72620720), (2, 36310360), (4, 18155180), (5, 14524144), (8, 9077590), (10, 7262072), (16, 4538795), (20, 3631036), (40, 1815518), (80, 907759)]