71565987025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1171}}^1\times {\mathrm{4001}}^1$

素因数の和:5242

約数の個数: 48

約数和(自身を含む): 97709246208

約数和(自身を除く): 26143259183

約数列:

[1, 5, 13, 25, 47, 65, 235, 325, 611, 1171, 1175, 3055, 4001, 5855, 15223, 15275, 20005, 29275, 52013, 55037, 76115, 100025, 188047, 260065, 275185, 380575, 715481, 940235, 1300325, 1375925, 2444611, 3577405, 4685171, 4701175, 12223055, 17887025, 23425855, 60907223, 61115275, 117129275, 220203037, 304536115, 1101015185, 1522680575, 2862639481, 5505075925, 14313197405, 71565987025]

約数ペア:

[(1, 71565987025), (5, 14313197405), (13, 5505075925), (25, 2862639481), (47, 1522680575), (65, 1101015185), (235, 304536115), (325, 220203037), (611, 117129275), (1171, 61115275), (1175, 60907223), (3055, 23425855), (4001, 17887025), (5855, 12223055), (15223, 4701175), (15275, 4685171), (20005, 3577405), (29275, 2444611), (52013, 1375925), (55037, 1300325), (76115, 940235), (100025, 715481), (188047, 380575), (260065, 275185)]