15896140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4703}}^1$

素因数の和:4738

約数の個数: 36

約数和(自身を含む): 36154944

約数和(自身を除く): 20258804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 4703, 9406, 18812, 23515, 47030, 61139, 94060, 122278, 244556, 305695, 611390, 794807, 1222780, 1589614, 3179228, 3974035, 7948070, 15896140]

約数ペア:

[(1, 15896140), (2, 7948070), (4, 3974035), (5, 3179228), (10, 1589614), (13, 1222780), (20, 794807), (26, 611390), (52, 305695), (65, 244556), (130, 122278), (169, 94060), (260, 61139), (338, 47030), (676, 23515), (845, 18812), (1690, 9406), (3380, 4703)]