905566040

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{79997}}^1$

素因数の和:80291

約数の個数: 32

約数和(自身を含む): 2044748880

約数和(自身を除く): 1139182840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 79997, 159994, 319988, 399985, 639976, 799970, 1599940, 3199880, 22639151, 45278302, 90556604, 113195755, 181113208, 226391510, 452783020, 905566040]

約数ペア:

[(1, 905566040), (2, 452783020), (4, 226391510), (5, 181113208), (8, 113195755), (10, 90556604), (20, 45278302), (40, 22639151), (283, 3199880), (566, 1599940), (1132, 799970), (1415, 639976), (2264, 399985), (2830, 319988), (5660, 159994), (11320, 79997)]