1365256720

素因数分解:

$2^4\times 5^1\times {\mathrm{17065709}}^1$

素因数の和:17065722

約数の個数: 20

約数和(自身を含む): 3174222060

約数和(自身を除く): 1808965340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 17065709, 34131418, 68262836, 85328545, 136525672, 170657090, 273051344, 341314180, 682628360, 1365256720]

約数ペア:

[(1, 1365256720), (2, 682628360), (4, 341314180), (5, 273051344), (8, 170657090), (10, 136525672), (16, 85328545), (20, 68262836), (40, 34131418), (80, 17065709)]