87080860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{140453}}^1$

素因数の和:140493

約数の個数: 24

約数和(自身を含む): 188770176

約数和(自身を除く): 101689316

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 140453, 280906, 561812, 702265, 1404530, 2809060, 4354043, 8708086, 17416172, 21770215, 43540430, 87080860]

約数ペア:

[(1, 87080860), (2, 43540430), (4, 21770215), (5, 17416172), (10, 8708086), (20, 4354043), (31, 2809060), (62, 1404530), (124, 702265), (155, 561812), (310, 280906), (620, 140453)]