25146490

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 46368000

約数和(自身を除く): 21221510

約数列:

[1, 2, 5, 10, 79, 139, 158, 229, 278, 395, 458, 695, 790, 1145, 1390, 2290, 10981, 18091, 21962, 31831, 36182, 54905, 63662, 90455, 109810, 159155, 180910, 318310, 2514649, 5029298, 12573245, 25146490]

約数ペア:

[(1, 25146490), (2, 12573245), (5, 5029298), (10, 2514649), (79, 318310), (139, 180910), (158, 159155), (229, 109810), (278, 90455), (395, 63662), (458, 54905), (695, 36182), (790, 31831), (1145, 21962), (1390, 18091), (2290, 10981)]