2965520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1951}}^1$

素因数の和:1983

約数の個数: 40

約数和(自身を含む): 7261440

約数和(自身を除く): 4295920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1951, 3902, 7804, 9755, 15608, 19510, 31216, 37069, 39020, 74138, 78040, 148276, 156080, 185345, 296552, 370690, 593104, 741380, 1482760, 2965520]

約数ペア:

[(1, 2965520), (2, 1482760), (4, 741380), (5, 593104), (8, 370690), (10, 296552), (16, 185345), (19, 156080), (20, 148276), (38, 78040), (40, 74138), (76, 39020), (80, 37069), (95, 31216), (152, 19510), (190, 15608), (304, 9755), (380, 7804), (760, 3902), (1520, 1951)]