81170090500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{2054939}}^1$

素因数の和:2055037

約数の個数: 48

約数和(自身を含む): 179519558400

約数和(自身を除く): 98349467900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 790, 1580, 1975, 3950, 7900, 9875, 19750, 39500, 2054939, 4109878, 8219756, 10274695, 20549390, 41098780, 51373475, 102746950, 162340181, 205493900, 256867375, 324680362, 513734750, 649360724, 811700905, 1027469500, 1623401810, 3246803620, 4058504525, 8117009050, 16234018100, 20292522625, 40585045250, 81170090500]

約数ペア:

[(1, 81170090500), (2, 40585045250), (4, 20292522625), (5, 16234018100), (10, 8117009050), (20, 4058504525), (25, 3246803620), (50, 1623401810), (79, 1027469500), (100, 811700905), (125, 649360724), (158, 513734750), (250, 324680362), (316, 256867375), (395, 205493900), (500, 162340181), (790, 102746950), (1580, 51373475), (1975, 41098780), (3950, 20549390), (7900, 10274695), (9875, 8219756), (19750, 4109878), (39500, 2054939)]