65554540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{33791}}^1$

素因数の和:33897

約数の個数: 24

約数和(自身を含む): 139087872

約数和(自身を除く): 73533332

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 33791, 67582, 135164, 168955, 337910, 675820, 3277727, 6555454, 13110908, 16388635, 32777270, 65554540]

約数ペア:

[(1, 65554540), (2, 32777270), (4, 16388635), (5, 13110908), (10, 6555454), (20, 3277727), (97, 675820), (194, 337910), (388, 168955), (485, 135164), (970, 67582), (1940, 33791)]