26764660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 60907392

約数和(自身を除く): 34142732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311, 331, 622, 662, 1244, 1324, 1555, 1655, 3110, 3310, 4043, 4303, 6220, 6620, 8086, 8606, 16172, 17212, 20215, 21515, 40430, 43030, 80860, 86060, 102941, 205882, 411764, 514705, 1029410, 1338233, 2058820, 2676466, 5352932, 6691165, 13382330, 26764660]

約数ペア:

[(1, 26764660), (2, 13382330), (4, 6691165), (5, 5352932), (10, 2676466), (13, 2058820), (20, 1338233), (26, 1029410), (52, 514705), (65, 411764), (130, 205882), (260, 102941), (311, 86060), (331, 80860), (622, 43030), (662, 40430), (1244, 21515), (1324, 20215), (1555, 17212), (1655, 16172), (3110, 8606), (3310, 8086), (4043, 6620), (4303, 6220)]