65615540

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{21727}}^1$

素因数の和:21887

約数の個数: 24

約数和(自身を含む): 138711552

約数和(自身を除く): 73096012

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 21727, 43454, 86908, 108635, 217270, 434540, 3280777, 6561554, 13123108, 16403885, 32807770, 65615540]

約数ペア:

[(1, 65615540), (2, 32807770), (4, 16403885), (5, 13123108), (10, 6561554), (20, 3280777), (151, 434540), (302, 217270), (604, 108635), (755, 86908), (1510, 43454), (3020, 21727)]