87840860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107123}}^1$

素因数の和:107173

約数の個数: 24

約数和(自身を含む): 188966736

約数和(自身を除く): 101125876

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 107123, 214246, 428492, 535615, 1071230, 2142460, 4392043, 8784086, 17568172, 21960215, 43920430, 87840860]

約数ペア:

[(1, 87840860), (2, 43920430), (4, 21960215), (5, 17568172), (10, 8784086), (20, 4392043), (41, 2142460), (82, 1071230), (164, 535615), (205, 428492), (410, 214246), (820, 107123)]