15961660

素因数分解:

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

素因数の和:5614

約数の個数: 48

約数和(自身を含む): 39386592

約数和(自身を除く): 23424932

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 5581, 11162, 22324, 27905, 55810, 61391, 72553, 111620, 122782, 145106, 245564, 290212, 306955, 362765, 613910, 725530, 798083, 1227820, 1451060, 1596166, 3192332, 3990415, 7980830, 15961660]

約数ペア:

[(1, 15961660), (2, 7980830), (4, 3990415), (5, 3192332), (10, 1596166), (11, 1451060), (13, 1227820), (20, 798083), (22, 725530), (26, 613910), (44, 362765), (52, 306955), (55, 290212), (65, 245564), (110, 145106), (130, 122782), (143, 111620), (220, 72553), (260, 61391), (286, 55810), (572, 27905), (715, 22324), (1430, 11162), (2860, 5581)]