20554498900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15811153}}^1$

素因数の和:15811180

約数の個数: 36

約数和(自身を含む): 48034285852

約数和(自身を除く): 27479786952

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15811153, 31622306, 63244612, 79055765, 158111530, 205544989, 316223060, 395278825, 411089978, 790557650, 822179956, 1027724945, 1581115300, 2055449890, 4110899780, 5138624725, 10277249450, 20554498900]

約数ペア:

[(1, 20554498900), (2, 10277249450), (4, 5138624725), (5, 4110899780), (10, 2055449890), (13, 1581115300), (20, 1027724945), (25, 822179956), (26, 790557650), (50, 411089978), (52, 395278825), (65, 316223060), (100, 205544989), (130, 158111530), (260, 79055765), (325, 63244612), (650, 31622306), (1300, 15811153)]