65853640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{38287}}^1$

素因数の和:38341

約数の個数: 32

約数和(自身を含む): 151620480

約数和(自身を除く): 85766840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 38287, 76574, 153148, 191435, 306296, 382870, 765740, 1531480, 1646341, 3292682, 6585364, 8231705, 13170728, 16463410, 32926820, 65853640]

約数ペア:

[(1, 65853640), (2, 32926820), (4, 16463410), (5, 13170728), (8, 8231705), (10, 6585364), (20, 3292682), (40, 1646341), (43, 1531480), (86, 765740), (172, 382870), (215, 306296), (344, 191435), (430, 153148), (860, 76574), (1720, 38287)]