291230654480

素因数分解:

$2^4\times 5^1\times {\mathrm{3640383181}}^1$

素因数の和:3640383194

約数の個数: 20

約数和(自身を含む): 677111271852

約数和(自身を除く): 385880617372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3640383181, 7280766362, 14561532724, 18201915905, 29123065448, 36403831810, 58246130896, 72807663620, 145615327240, 291230654480]

約数ペア:

[(1, 291230654480), (2, 145615327240), (4, 72807663620), (5, 58246130896), (8, 36403831810), (10, 29123065448), (16, 18201915905), (20, 14561532724), (40, 7280766362), (80, 3640383181)]