16639302920

素因数分解:

$2^3\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{375097}}^1$

素因数の和:376217

約数の個数: 32

約数和(自身を含む): 37472290200

約数和(自身を除く): 20832987280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1109, 2218, 4436, 5545, 8872, 11090, 22180, 44360, 375097, 750194, 1500388, 1875485, 3000776, 3750970, 7501940, 15003880, 415982573, 831965146, 1663930292, 2079912865, 3327860584, 4159825730, 8319651460, 16639302920]

約数ペア:

[(1, 16639302920), (2, 8319651460), (4, 4159825730), (5, 3327860584), (8, 2079912865), (10, 1663930292), (20, 831965146), (40, 415982573), (1109, 15003880), (2218, 7501940), (4436, 3750970), (5545, 3000776), (8872, 1875485), (11090, 1500388), (22180, 750194), (44360, 375097)]