13843960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 34070400

約数和(自身を除く): 20226440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 337, 395, 520, 632, 674, 790, 1027, 1348, 1580, 1685, 2054, 2696, 3160, 3370, 4108, 4381, 5135, 6740, 8216, 8762, 10270, 13480, 17524, 20540, 21905, 26623, 35048, 41080, 43810, 53246, 87620, 106492, 133115, 175240, 212984, 266230, 346099, 532460, 692198, 1064920, 1384396, 1730495, 2768792, 3460990, 6921980, 13843960]

約数ペア:

[(1, 13843960), (2, 6921980), (4, 3460990), (5, 2768792), (8, 1730495), (10, 1384396), (13, 1064920), (20, 692198), (26, 532460), (40, 346099), (52, 266230), (65, 212984), (79, 175240), (104, 133115), (130, 106492), (158, 87620), (260, 53246), (316, 43810), (337, 41080), (395, 35048), (520, 26623), (632, 21905), (674, 20540), (790, 17524), (1027, 13480), (1348, 10270), (1580, 8762), (1685, 8216), (2054, 6740), (2696, 5135), (3160, 4381), (3370, 4108)]