16682780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 37467360

約数和(自身を除く): 20784580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 353, 556, 695, 706, 1390, 1412, 1765, 2363, 2780, 3530, 4726, 6001, 7060, 9452, 11815, 12002, 23630, 24004, 30005, 47260, 49067, 60010, 98134, 120020, 196268, 245335, 490670, 834139, 981340, 1668278, 3336556, 4170695, 8341390, 16682780]

約数ペア:

[(1, 16682780), (2, 8341390), (4, 4170695), (5, 3336556), (10, 1668278), (17, 981340), (20, 834139), (34, 490670), (68, 245335), (85, 196268), (139, 120020), (170, 98134), (278, 60010), (340, 49067), (353, 47260), (556, 30005), (695, 24004), (706, 23630), (1390, 12002), (1412, 11815), (1765, 9452), (2363, 7060), (2780, 6001), (3530, 4726)]