26915720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 65802240

約数和(自身を除く): 38886520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 191, 260, 271, 382, 520, 542, 764, 955, 1084, 1355, 1528, 1910, 2168, 2483, 2710, 3523, 3820, 4966, 5420, 7046, 7640, 9932, 10840, 12415, 14092, 17615, 19864, 24830, 28184, 35230, 49660, 51761, 70460, 99320, 103522, 140920, 207044, 258805, 414088, 517610, 672893, 1035220, 1345786, 2070440, 2691572, 3364465, 5383144, 6728930, 13457860, 26915720]

約数ペア:

[(1, 26915720), (2, 13457860), (4, 6728930), (5, 5383144), (8, 3364465), (10, 2691572), (13, 2070440), (20, 1345786), (26, 1035220), (40, 672893), (52, 517610), (65, 414088), (104, 258805), (130, 207044), (191, 140920), (260, 103522), (271, 99320), (382, 70460), (520, 51761), (542, 49660), (764, 35230), (955, 28184), (1084, 24830), (1355, 19864), (1528, 17615), (1910, 14092), (2168, 12415), (2483, 10840), (2710, 9932), (3523, 7640), (3820, 7046), (4966, 5420)]