258349720

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{23833}}^1$

素因数の和:24115

約数の個数: 32

約数和(自身を含む): 583456320

約数和(自身を除く): 325106600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 23833, 47666, 95332, 119165, 190664, 238330, 476660, 953320, 6458743, 12917486, 25834972, 32293715, 51669944, 64587430, 129174860, 258349720]

約数ペア:

[(1, 258349720), (2, 129174860), (4, 64587430), (5, 51669944), (8, 32293715), (10, 25834972), (20, 12917486), (40, 6458743), (271, 953320), (542, 476660), (1084, 238330), (1355, 190664), (2168, 119165), (2710, 95332), (5420, 47666), (10840, 23833)]