15854980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 34546176

約数和(自身を除く): 18691196

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 101, 167, 188, 202, 235, 334, 404, 470, 505, 668, 835, 940, 1010, 1670, 2020, 3340, 4747, 7849, 9494, 15698, 16867, 18988, 23735, 31396, 33734, 39245, 47470, 67468, 78490, 84335, 94940, 156980, 168670, 337340, 792749, 1585498, 3170996, 3963745, 7927490, 15854980]

約数ペア:

[(1, 15854980), (2, 7927490), (4, 3963745), (5, 3170996), (10, 1585498), (20, 792749), (47, 337340), (94, 168670), (101, 156980), (167, 94940), (188, 84335), (202, 78490), (235, 67468), (334, 47470), (404, 39245), (470, 33734), (505, 31396), (668, 23735), (835, 18988), (940, 16867), (1010, 15698), (1670, 9494), (2020, 7849), (3340, 4747)]