28339580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1063}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 62920704

約数和(自身を除く): 34581124

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1063, 1333, 2126, 2666, 4252, 5315, 5332, 6665, 10630, 13330, 21260, 26660, 32953, 45709, 65906, 91418, 131812, 164765, 182836, 228545, 329530, 457090, 659060, 914180, 1416979, 2833958, 5667916, 7084895, 14169790, 28339580]

約数ペア:

[(1, 28339580), (2, 14169790), (4, 7084895), (5, 5667916), (10, 2833958), (20, 1416979), (31, 914180), (43, 659060), (62, 457090), (86, 329530), (124, 228545), (155, 182836), (172, 164765), (215, 131812), (310, 91418), (430, 65906), (620, 45709), (860, 32953), (1063, 26660), (1333, 21260), (2126, 13330), (2666, 10630), (4252, 6665), (5315, 5332)]