86659820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{25639}}^1$

素因数の和:25674

約数の個数: 36

約数和(自身を含む): 197069040

約数和(自身を除く): 110409220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 25639, 51278, 102556, 128195, 256390, 333307, 512780, 666614, 1333228, 1666535, 3333070, 4332991, 6666140, 8665982, 17331964, 21664955, 43329910, 86659820]

約数ペア:

[(1, 86659820), (2, 43329910), (4, 21664955), (5, 17331964), (10, 8665982), (13, 6666140), (20, 4332991), (26, 3333070), (52, 1666535), (65, 1333228), (130, 666614), (169, 512780), (260, 333307), (338, 256390), (676, 128195), (845, 102556), (1690, 51278), (3380, 25639)]