64803490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20063}}^1$

素因数の和:20106

約数の個数: 32

約数和(自身を含む): 130014720

約数和(自身を除く): 65211230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 20063, 40126, 100315, 200630, 341071, 381197, 682142, 762394, 1705355, 1905985, 3410710, 3811970, 6480349, 12960698, 32401745, 64803490]

約数ペア:

[(1, 64803490), (2, 32401745), (5, 12960698), (10, 6480349), (17, 3811970), (19, 3410710), (34, 1905985), (38, 1705355), (85, 762394), (95, 682142), (170, 381197), (190, 341071), (323, 200630), (646, 100315), (1615, 40126), (3230, 20063)]