53976760

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{6781}}^1$

素因数の和:6991

約数の個数: 32

約数和(自身を含む): 122076000

約数和(自身を除く): 68099240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 6781, 7960, 13562, 27124, 33905, 54248, 67810, 135620, 271240, 1349419, 2698838, 5397676, 6747095, 10795352, 13494190, 26988380, 53976760]

約数ペア:

[(1, 53976760), (2, 26988380), (4, 13494190), (5, 10795352), (8, 6747095), (10, 5397676), (20, 2698838), (40, 1349419), (199, 271240), (398, 135620), (796, 67810), (995, 54248), (1592, 33905), (1990, 27124), (3980, 13562), (6781, 7960)]