2615996840

素因数分解:

$2^3\times 5^1\times {\mathrm{5101}}^1\times {\mathrm{12821}}^1$

素因数の和:17933

約数の個数: 32

約数和(自身を含む): 5887605960

約数和(自身を除く): 3271609120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5101, 10202, 12821, 20404, 25505, 25642, 40808, 51010, 51284, 64105, 102020, 102568, 128210, 204040, 256420, 512840, 65399921, 130799842, 261599684, 326999605, 523199368, 653999210, 1307998420, 2615996840]

約数ペア:

[(1, 2615996840), (2, 1307998420), (4, 653999210), (5, 523199368), (8, 326999605), (10, 261599684), (20, 130799842), (40, 65399921), (5101, 512840), (10202, 256420), (12821, 204040), (20404, 128210), (25505, 102568), (25642, 102020), (40808, 64105), (51010, 51284)]