25971530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^2$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 52715880

約数和(自身を除く): 26744350

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 83, 130, 145, 166, 290, 377, 415, 754, 830, 1079, 1885, 2158, 2407, 3770, 4814, 5395, 6889, 10790, 12035, 13778, 24070, 31291, 34445, 62582, 68890, 89557, 156455, 179114, 199781, 312910, 399562, 447785, 895570, 998905, 1997810, 2597153, 5194306, 12985765, 25971530]

約数ペア:

[(1, 25971530), (2, 12985765), (5, 5194306), (10, 2597153), (13, 1997810), (26, 998905), (29, 895570), (58, 447785), (65, 399562), (83, 312910), (130, 199781), (145, 179114), (166, 156455), (290, 89557), (377, 68890), (415, 62582), (754, 34445), (830, 31291), (1079, 24070), (1885, 13778), (2158, 12035), (2407, 10790), (3770, 6889), (4814, 5395)]