86682280

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{6547}}^1$

素因数の和:6889

約数の個数: 32

約数和(自身を含む): 195654240

約数和(自身を除く): 108971960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6547, 6620, 13094, 13240, 26188, 32735, 52376, 65470, 130940, 261880, 2167057, 4334114, 8668228, 10835285, 17336456, 21670570, 43341140, 86682280]

約数ペア:

[(1, 86682280), (2, 43341140), (4, 21670570), (5, 17336456), (8, 10835285), (10, 8668228), (20, 4334114), (40, 2167057), (331, 261880), (662, 130940), (1324, 65470), (1655, 52376), (2648, 32735), (3310, 26188), (6547, 13240), (6620, 13094)]