129245140

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{7523}}^1$

素因数の和:8391

約数の個数: 24

約数和(自身を含む): 271766880

約数和(自身を除く): 142521740

約数列:

[1, 2, 4, 5, 10, 20, 859, 1718, 3436, 4295, 7523, 8590, 15046, 17180, 30092, 37615, 75230, 150460, 6462257, 12924514, 25849028, 32311285, 64622570, 129245140]

約数ペア:

[(1, 129245140), (2, 64622570), (4, 32311285), (5, 25849028), (10, 12924514), (20, 6462257), (859, 150460), (1718, 75230), (3436, 37615), (4295, 30092), (7523, 17180), (8590, 15046)]