64708670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3581}}^1$

素因数の和:3740

約数の個数: 32

約数和(自身を含む): 126372960

約数和(自身を除く): 61664290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1807, 3581, 3614, 7162, 9035, 17905, 18070, 35810, 46553, 93106, 232765, 465530, 497759, 995518, 2488795, 4977590, 6470867, 12941734, 32354335, 64708670]

約数ペア:

[(1, 64708670), (2, 32354335), (5, 12941734), (10, 6470867), (13, 4977590), (26, 2488795), (65, 995518), (130, 497759), (139, 465530), (278, 232765), (695, 93106), (1390, 46553), (1807, 35810), (3581, 18070), (3614, 17905), (7162, 9035)]