40587890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15671}}^1$

素因数の和:15722

約数の個数: 32

約数和(自身を含む): 85757184

約数和(自身を除く): 45169294

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 15671, 31342, 78355, 109697, 156710, 219394, 548485, 579827, 1096970, 1159654, 2899135, 4058789, 5798270, 8117578, 20293945, 40587890]

約数ペア:

[(1, 40587890), (2, 20293945), (5, 8117578), (7, 5798270), (10, 4058789), (14, 2899135), (35, 1159654), (37, 1096970), (70, 579827), (74, 548485), (185, 219394), (259, 156710), (370, 109697), (518, 78355), (1295, 31342), (2590, 15671)]