27986629420

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2217641}}^1$

素因数の和:2218281

約数の個数: 24

約数和(自身を含む): 58865089248

約数和(自身を除く): 30878459828

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 6310, 12620, 2217641, 4435282, 8870564, 11088205, 22176410, 44352820, 1399331471, 2798662942, 5597325884, 6996657355, 13993314710, 27986629420]

約数ペア:

[(1, 27986629420), (2, 13993314710), (4, 6996657355), (5, 5597325884), (10, 2798662942), (20, 1399331471), (631, 44352820), (1262, 22176410), (2524, 11088205), (3155, 8870564), (6310, 4435282), (12620, 2217641)]