64344760

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2441}}^1$

素因数の和:3111

約数の個数: 32

約数和(自身を含む): 145054800

約数和(自身を除く): 80710040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2441, 2636, 3295, 4882, 5272, 6590, 9764, 12205, 13180, 19528, 24410, 26360, 48820, 97640, 1608619, 3217238, 6434476, 8043095, 12868952, 16086190, 32172380, 64344760]

約数ペア:

[(1, 64344760), (2, 32172380), (4, 16086190), (5, 12868952), (8, 8043095), (10, 6434476), (20, 3217238), (40, 1608619), (659, 97640), (1318, 48820), (2441, 26360), (2636, 24410), (3295, 19528), (4882, 13180), (5272, 12205), (6590, 9764)]