13393960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19697}}^1$

素因数の和:19725

約数の個数: 32

約数和(自身を含む): 31910760

約数和(自身を除く): 18516800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 19697, 39394, 78788, 98485, 157576, 196970, 334849, 393940, 669698, 787880, 1339396, 1674245, 2678792, 3348490, 6696980, 13393960]

約数ペア:

[(1, 13393960), (2, 6696980), (4, 3348490), (5, 2678792), (8, 1674245), (10, 1339396), (17, 787880), (20, 669698), (34, 393940), (40, 334849), (68, 196970), (85, 157576), (136, 98485), (170, 78788), (340, 39394), (680, 19697)]