2020984550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{100297}}^1$

素因数の和:100353

約数の個数: 48

約数和(自身を含む): 4178815872

約数和(自身を除く): 2157831322

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4030, 10075, 20150, 100297, 200594, 501485, 1002970, 1303861, 2507425, 2607722, 3109207, 5014850, 6218414, 6519305, 13038610, 15546035, 31092070, 32596525, 40419691, 65193050, 77730175, 80839382, 155460350, 202098455, 404196910, 1010492275, 2020984550]

約数ペア:

[(1, 2020984550), (2, 1010492275), (5, 404196910), (10, 202098455), (13, 155460350), (25, 80839382), (26, 77730175), (31, 65193050), (50, 40419691), (62, 32596525), (65, 31092070), (130, 15546035), (155, 13038610), (310, 6519305), (325, 6218414), (403, 5014850), (650, 3109207), (775, 2607722), (806, 2507425), (1550, 1303861), (2015, 1002970), (4030, 501485), (10075, 200594), (20150, 100297)]