157224680

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{38917}}^1$

素因数の和:39029

約数の個数: 32

約数和(自身を含む): 357267240

約数和(自身を除く): 200042560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 38917, 77834, 155668, 194585, 311336, 389170, 778340, 1556680, 3930617, 7861234, 15722468, 19653085, 31444936, 39306170, 78612340, 157224680]

約数ペア:

[(1, 157224680), (2, 78612340), (4, 39306170), (5, 31444936), (8, 19653085), (10, 15722468), (20, 7861234), (40, 3930617), (101, 1556680), (202, 778340), (404, 389170), (505, 311336), (808, 194585), (1010, 155668), (2020, 77834), (4040, 38917)]