66045640

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3613}}^1$

素因数の和:4081

約数の個数: 32

約数和(自身を含む): 148969080

約数和(自身を除く): 82923440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3613, 3656, 4570, 7226, 9140, 14452, 18065, 18280, 28904, 36130, 72260, 144520, 1651141, 3302282, 6604564, 8255705, 13209128, 16511410, 33022820, 66045640]

約数ペア:

[(1, 66045640), (2, 33022820), (4, 16511410), (5, 13209128), (8, 8255705), (10, 6604564), (20, 3302282), (40, 1651141), (457, 144520), (914, 72260), (1828, 36130), (2285, 28904), (3613, 18280), (3656, 18065), (4570, 14452), (7226, 9140)]