64024760

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20261}}^1$

素因数の和:20351

約数の個数: 32

約数和(自身を含む): 145886400

約数和(自身を除く): 81861640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 20261, 40522, 81044, 101305, 162088, 202610, 405220, 810440, 1600619, 3201238, 6402476, 8003095, 12804952, 16006190, 32012380, 64024760]

約数ペア:

[(1, 64024760), (2, 32012380), (4, 16006190), (5, 12804952), (8, 8003095), (10, 6402476), (20, 3201238), (40, 1600619), (79, 810440), (158, 405220), (316, 202610), (395, 162088), (632, 101305), (790, 81044), (1580, 40522), (3160, 20261)]