66602120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{487}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 162328320

約数和(自身を除く): 95726200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 263, 487, 520, 526, 974, 1052, 1315, 1948, 2104, 2435, 2630, 3419, 3896, 4870, 5260, 6331, 6838, 9740, 10520, 12662, 13676, 17095, 19480, 25324, 27352, 31655, 34190, 50648, 63310, 68380, 126620, 128081, 136760, 253240, 256162, 512324, 640405, 1024648, 1280810, 1665053, 2561620, 3330106, 5123240, 6660212, 8325265, 13320424, 16650530, 33301060, 66602120]

約数ペア:

[(1, 66602120), (2, 33301060), (4, 16650530), (5, 13320424), (8, 8325265), (10, 6660212), (13, 5123240), (20, 3330106), (26, 2561620), (40, 1665053), (52, 1280810), (65, 1024648), (104, 640405), (130, 512324), (260, 256162), (263, 253240), (487, 136760), (520, 128081), (526, 126620), (974, 68380), (1052, 63310), (1315, 50648), (1948, 34190), (2104, 31655), (2435, 27352), (2630, 25324), (3419, 19480), (3896, 17095), (4870, 13676), (5260, 12662), (6331, 10520), (6838, 9740)]