38861420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1091}}^1$

素因数の和:1250

約数の個数: 48

約数和(自身を含む): 88609248

約数和(自身を除く): 49747828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1091, 1370, 1781, 2182, 2740, 3562, 4364, 5455, 7124, 8905, 10910, 14183, 17810, 21820, 28366, 35620, 56732, 70915, 141830, 149467, 283660, 298934, 597868, 747335, 1494670, 1943071, 2989340, 3886142, 7772284, 9715355, 19430710, 38861420]

約数ペア:

[(1, 38861420), (2, 19430710), (4, 9715355), (5, 7772284), (10, 3886142), (13, 2989340), (20, 1943071), (26, 1494670), (52, 747335), (65, 597868), (130, 298934), (137, 283660), (260, 149467), (274, 141830), (548, 70915), (685, 56732), (1091, 35620), (1370, 28366), (1781, 21820), (2182, 17810), (2740, 14183), (3562, 10910), (4364, 8905), (5455, 7124)]