86909240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197521}}^1$

素因数の和:197543

約数の個数: 32

約数和(自身を含む): 213323760

約数和(自身を除く): 126414520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 197521, 395042, 790084, 987605, 1580168, 1975210, 2172731, 3950420, 4345462, 7900840, 8690924, 10863655, 17381848, 21727310, 43454620, 86909240]

約数ペア:

[(1, 86909240), (2, 43454620), (4, 21727310), (5, 17381848), (8, 10863655), (10, 8690924), (11, 7900840), (20, 4345462), (22, 3950420), (40, 2172731), (44, 1975210), (55, 1580168), (88, 987605), (110, 790084), (220, 395042), (440, 197521)]