2186860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{647}}^1$

素因数の和:682

約数の個数: 36

約数和(自身を含む): 4980528

約数和(自身を除く): 2793668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 647, 676, 845, 1294, 1690, 2588, 3235, 3380, 6470, 8411, 12940, 16822, 33644, 42055, 84110, 109343, 168220, 218686, 437372, 546715, 1093430, 2186860]

約数ペア:

[(1, 2186860), (2, 1093430), (4, 546715), (5, 437372), (10, 218686), (13, 168220), (20, 109343), (26, 84110), (52, 42055), (65, 33644), (130, 16822), (169, 12940), (260, 8411), (338, 6470), (647, 3380), (676, 3235), (845, 2588), (1294, 1690)]