91983880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53479}}^1$

素因数の和:53533

約数の個数: 32

約数和(自身を含む): 211780800

約数和(自身を除く): 119796920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 53479, 106958, 213916, 267395, 427832, 534790, 1069580, 2139160, 2299597, 4599194, 9198388, 11497985, 18396776, 22995970, 45991940, 91983880]

約数ペア:

[(1, 91983880), (2, 45991940), (4, 22995970), (5, 18396776), (8, 11497985), (10, 9198388), (20, 4599194), (40, 2299597), (43, 2139160), (86, 1069580), (172, 534790), (215, 427832), (344, 267395), (430, 213916), (860, 106958), (1720, 53479)]