145785340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{177787}}^1$

素因数の和:177837

約数の個数: 24

約数和(自身を含む): 313618032

約数和(自身を除く): 167832692

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 177787, 355574, 711148, 888935, 1777870, 3555740, 7289267, 14578534, 29157068, 36446335, 72892670, 145785340]

約数ペア:

[(1, 145785340), (2, 72892670), (4, 36446335), (5, 29157068), (10, 14578534), (20, 7289267), (41, 3555740), (82, 1777870), (164, 888935), (205, 711148), (410, 355574), (820, 177787)]