28506620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83843}}^1$

素因数の和:83869

約数の個数: 24

約数和(自身を含む): 63386064

約数和(自身を除く): 34879444

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 83843, 167686, 335372, 419215, 838430, 1425331, 1676860, 2850662, 5701324, 7126655, 14253310, 28506620]

約数ペア:

[(1, 28506620), (2, 14253310), (4, 7126655), (5, 5701324), (10, 2850662), (17, 1676860), (20, 1425331), (34, 838430), (68, 419215), (85, 335372), (170, 167686), (340, 83843)]