64408160

素因数分解:

$2^5\times 5^1\times {\mathrm{402551}}^1$

素因数の和:402566

約数の個数: 24

約数和(自身を含む): 152164656

約数和(自身を除く): 87756496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 402551, 805102, 1610204, 2012755, 3220408, 4025510, 6440816, 8051020, 12881632, 16102040, 32204080, 64408160]

約数ペア:

[(1, 64408160), (2, 32204080), (4, 16102040), (5, 12881632), (8, 8051020), (10, 6440816), (16, 4025510), (20, 3220408), (32, 2012755), (40, 1610204), (80, 805102), (160, 402551)]