201641240

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{27851}}^1$

素因数の和:28043

約数の個数: 32

約数和(自身を含む): 456215760

約数和(自身を除く): 254574520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 27851, 55702, 111404, 139255, 222808, 278510, 557020, 1114040, 5041031, 10082062, 20164124, 25205155, 40328248, 50410310, 100820620, 201641240]

約数ペア:

[(1, 201641240), (2, 100820620), (4, 50410310), (5, 40328248), (8, 25205155), (10, 20164124), (20, 10082062), (40, 5041031), (181, 1114040), (362, 557020), (724, 278510), (905, 222808), (1448, 139255), (1810, 111404), (3620, 55702), (7240, 27851)]