28291250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1741}}^1$

素因数の和:1776

約数の個数: 40

約数和(自身を含む): 57141084

約数和(自身を除く): 28849834

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 1741, 3250, 3482, 8125, 8705, 16250, 17410, 22633, 43525, 45266, 87050, 113165, 217625, 226330, 435250, 565825, 1088125, 1131650, 2176250, 2829125, 5658250, 14145625, 28291250]

約数ペア:

[(1, 28291250), (2, 14145625), (5, 5658250), (10, 2829125), (13, 2176250), (25, 1131650), (26, 1088125), (50, 565825), (65, 435250), (125, 226330), (130, 217625), (250, 113165), (325, 87050), (625, 45266), (650, 43525), (1250, 22633), (1625, 17410), (1741, 16250), (3250, 8705), (3482, 8125)]