20148250

素因数分解:

$2^1\times 5^3\times {\mathrm{83}}^1\times {\mathrm{971}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 38211264

約数和(自身を除く): 18063014

約数列:

[1, 2, 5, 10, 25, 50, 83, 125, 166, 250, 415, 830, 971, 1942, 2075, 4150, 4855, 9710, 10375, 20750, 24275, 48550, 80593, 121375, 161186, 242750, 402965, 805930, 2014825, 4029650, 10074125, 20148250]

約数ペア:

[(1, 20148250), (2, 10074125), (5, 4029650), (10, 2014825), (25, 805930), (50, 402965), (83, 242750), (125, 161186), (166, 121375), (250, 80593), (415, 48550), (830, 24275), (971, 20750), (1942, 10375), (2075, 9710), (4150, 4855)]