7963880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5381}}^1$

素因数の和:5429

約数の個数: 32

約数和(自身を含む): 18406440

約数和(自身を除く): 10442560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 5381, 10762, 21524, 26905, 43048, 53810, 107620, 199097, 215240, 398194, 796388, 995485, 1592776, 1990970, 3981940, 7963880]

約数ペア:

[(1, 7963880), (2, 3981940), (4, 1990970), (5, 1592776), (8, 995485), (10, 796388), (20, 398194), (37, 215240), (40, 199097), (74, 107620), (148, 53810), (185, 43048), (296, 26905), (370, 21524), (740, 10762), (1480, 5381)]