85554625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 128943360

約数和(自身を除く): 43388735

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 125, 163, 221, 247, 323, 325, 425, 475, 815, 1105, 1235, 1615, 1625, 2119, 2125, 2375, 2771, 3097, 4075, 4199, 5525, 6175, 8075, 10595, 13855, 15485, 20375, 20995, 27625, 30875, 36023, 40261, 40375, 52649, 52975, 69275, 77425, 104975, 180115, 201305, 263245, 264875, 346375, 387125, 524875, 684437, 900575, 1006525, 1316225, 3422185, 4502875, 5032625, 6581125, 17110925, 85554625]

約数ペア:

[(1, 85554625), (5, 17110925), (13, 6581125), (17, 5032625), (19, 4502875), (25, 3422185), (65, 1316225), (85, 1006525), (95, 900575), (125, 684437), (163, 524875), (221, 387125), (247, 346375), (323, 264875), (325, 263245), (425, 201305), (475, 180115), (815, 104975), (1105, 77425), (1235, 69275), (1615, 52975), (1625, 52649), (2119, 40375), (2125, 40261), (2375, 36023), (2771, 30875), (3097, 27625), (4075, 20995), (4199, 20375), (5525, 15485), (6175, 13855), (8075, 10595)]