7980830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5581}}^1$

素因数の和:5612

約数の個数: 32

約数和(自身を含む): 16879968

約数和(自身を除く): 8899138

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 5581, 11162, 27905, 55810, 61391, 72553, 122782, 145106, 306955, 362765, 613910, 725530, 798083, 1596166, 3990415, 7980830]

約数ペア:

[(1, 7980830), (2, 3990415), (5, 1596166), (10, 798083), (11, 725530), (13, 613910), (22, 362765), (26, 306955), (55, 145106), (65, 122782), (110, 72553), (130, 61391), (143, 55810), (286, 27905), (715, 11162), (1430, 5581)]