2015493425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{821}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 2788750080

約数和(自身を除く): 773256655

約数列:

[1, 5, 11, 25, 55, 79, 113, 275, 395, 565, 821, 869, 1243, 1975, 2825, 4105, 4345, 6215, 8927, 9031, 20525, 21725, 31075, 44635, 45155, 64859, 92773, 98197, 223175, 225775, 324295, 463865, 490985, 713449, 1020503, 1621475, 2319325, 2454925, 3567245, 5102515, 7329067, 17836225, 25512575, 36645335, 80619737, 183226675, 403098685, 2015493425]

約数ペア:

[(1, 2015493425), (5, 403098685), (11, 183226675), (25, 80619737), (55, 36645335), (79, 25512575), (113, 17836225), (275, 7329067), (395, 5102515), (565, 3567245), (821, 2454925), (869, 2319325), (1243, 1621475), (1975, 1020503), (2825, 713449), (4105, 490985), (4345, 463865), (6215, 324295), (8927, 225775), (9031, 223175), (20525, 98197), (21725, 92773), (31075, 64859), (44635, 45155)]