204493280

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{7841}}^1$

素因数の和:8019

約数の個数: 48

約数和(自身を含む): 486141264

約数和(自身を除く): 281647984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5216, 6520, 7841, 13040, 15682, 26080, 31364, 39205, 62728, 78410, 125456, 156820, 250912, 313640, 627280, 1254560, 1278083, 2556166, 5112332, 6390415, 10224664, 12780830, 20449328, 25561660, 40898656, 51123320, 102246640, 204493280]

約数ペア:

[(1, 204493280), (2, 102246640), (4, 51123320), (5, 40898656), (8, 25561660), (10, 20449328), (16, 12780830), (20, 10224664), (32, 6390415), (40, 5112332), (80, 2556166), (160, 1278083), (163, 1254560), (326, 627280), (652, 313640), (815, 250912), (1304, 156820), (1630, 125456), (2608, 78410), (3260, 62728), (5216, 39205), (6520, 31364), (7841, 26080), (13040, 15682)]