625626140

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{48649}}^1$

素因数の和:49301

約数の個数: 24

約数和(自身を含む): 1315885200

約数和(自身を除く): 690259060

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 48649, 97298, 194596, 243245, 486490, 972980, 31281307, 62562614, 125125228, 156406535, 312813070, 625626140]

約数ペア:

[(1, 625626140), (2, 312813070), (4, 156406535), (5, 125125228), (10, 62562614), (20, 31281307), (643, 972980), (1286, 486490), (2572, 243245), (3215, 194596), (6430, 97298), (12860, 48649)]