2160275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:80

約数の個数: 36

約数和(自身を含む): 3197712

約数和(自身を除く): 1037437

約数列:

[1, 5, 13, 17, 23, 25, 65, 85, 115, 221, 289, 299, 325, 391, 425, 575, 1105, 1445, 1495, 1955, 3757, 5083, 5525, 6647, 7225, 7475, 9775, 18785, 25415, 33235, 86411, 93925, 127075, 166175, 432055, 2160275]

約数ペア:

[(1, 2160275), (5, 432055), (13, 166175), (17, 127075), (23, 93925), (25, 86411), (65, 33235), (85, 25415), (115, 18785), (221, 9775), (289, 7475), (299, 7225), (325, 6647), (391, 5525), (425, 5083), (575, 3757), (1105, 1955), (1445, 1495)]