76072840

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4889}}^1$

素因数の和:5289

約数の個数: 32

約数和(自身を含む): 171639000

約数和(自身を除く): 95566160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 4889, 7780, 9778, 15560, 19556, 24445, 39112, 48890, 97780, 195560, 1901821, 3803642, 7607284, 9509105, 15214568, 19018210, 38036420, 76072840]

約数ペア:

[(1, 76072840), (2, 38036420), (4, 19018210), (5, 15214568), (8, 9509105), (10, 7607284), (20, 3803642), (40, 1901821), (389, 195560), (778, 97780), (1556, 48890), (1945, 39112), (3112, 24445), (3890, 19556), (4889, 15560), (7780, 9778)]