164033720

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{7841}}^1$

素因数の和:8375

約数の個数: 32

約数和(自身を含む): 369828720

約数和(自身を除く): 205795000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 7841, 10460, 15682, 20920, 31364, 39205, 62728, 78410, 156820, 313640, 4100843, 8201686, 16403372, 20504215, 32806744, 41008430, 82016860, 164033720]

約数ペア:

[(1, 164033720), (2, 82016860), (4, 41008430), (5, 32806744), (8, 20504215), (10, 16403372), (20, 8201686), (40, 4100843), (523, 313640), (1046, 156820), (2092, 78410), (2615, 62728), (4184, 39205), (5230, 31364), (7841, 20920), (10460, 15682)]