168686020

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{47119}}^1$

素因数の和:47307

約数の個数: 24

約数和(自身を含む): 356227200

約数和(自身を除く): 187541180

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 47119, 94238, 188476, 235595, 471190, 942380, 8434301, 16868602, 33737204, 42171505, 84343010, 168686020]

約数ペア:

[(1, 168686020), (2, 84343010), (4, 42171505), (5, 33737204), (10, 16868602), (20, 8434301), (179, 942380), (358, 471190), (716, 235595), (895, 188476), (1790, 94238), (3580, 47119)]