79797920

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1987}}^1$

素因数の和:2253

約数の個数: 48

約数和(自身を含む): 189368928

約数和(自身を除く): 109571008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 502, 1004, 1255, 1987, 2008, 2510, 3974, 4016, 5020, 7948, 8032, 9935, 10040, 15896, 19870, 20080, 31792, 39740, 40160, 63584, 79480, 158960, 317920, 498737, 997474, 1994948, 2493685, 3989896, 4987370, 7979792, 9974740, 15959584, 19949480, 39898960, 79797920]

約数ペア:

[(1, 79797920), (2, 39898960), (4, 19949480), (5, 15959584), (8, 9974740), (10, 7979792), (16, 4987370), (20, 3989896), (32, 2493685), (40, 1994948), (80, 997474), (160, 498737), (251, 317920), (502, 158960), (1004, 79480), (1255, 63584), (1987, 40160), (2008, 39740), (2510, 31792), (3974, 20080), (4016, 19870), (5020, 15896), (7948, 10040), (8032, 9935)]