80163125

素因数分解:

$5^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 40

約数和(自身を含む): 116512704

約数和(自身を除く): 36349579

約数列:

[1, 5, 7, 25, 35, 73, 125, 175, 251, 365, 511, 625, 875, 1255, 1757, 1825, 2555, 4375, 6275, 8785, 9125, 12775, 18323, 31375, 43925, 45625, 63875, 91615, 128261, 156875, 219625, 319375, 458075, 641305, 1098125, 2290375, 3206525, 11451875, 16032625, 80163125]

約数ペア:

[(1, 80163125), (5, 16032625), (7, 11451875), (25, 3206525), (35, 2290375), (73, 1098125), (125, 641305), (175, 458075), (251, 319375), (365, 219625), (511, 156875), (625, 128261), (875, 91615), (1255, 63875), (1757, 45625), (1825, 43925), (2555, 31375), (4375, 18323), (6275, 12775), (8785, 9125)]