56524520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1531}}^1$

素因数の和:1626

約数の個数: 64

約数和(自身を含む): 138983040

約数和(自身を除く): 82458520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1531, 1846, 2840, 3062, 3692, 4615, 6124, 7384, 7655, 9230, 12248, 15310, 18460, 19903, 30620, 36920, 39806, 61240, 79612, 99515, 108701, 159224, 199030, 217402, 398060, 434804, 543505, 796120, 869608, 1087010, 1413113, 2174020, 2826226, 4348040, 5652452, 7065565, 11304904, 14131130, 28262260, 56524520]

約数ペア:

[(1, 56524520), (2, 28262260), (4, 14131130), (5, 11304904), (8, 7065565), (10, 5652452), (13, 4348040), (20, 2826226), (26, 2174020), (40, 1413113), (52, 1087010), (65, 869608), (71, 796120), (104, 543505), (130, 434804), (142, 398060), (260, 217402), (284, 199030), (355, 159224), (520, 108701), (568, 99515), (710, 79612), (923, 61240), (1420, 39806), (1531, 36920), (1846, 30620), (2840, 19903), (3062, 18460), (3692, 15310), (4615, 12248), (6124, 9230), (7384, 7655)]