16416980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26479}}^1$

素因数の和:26519

約数の個数: 24

約数和(自身を含む): 35589120

約数和(自身を除く): 19172140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 26479, 52958, 105916, 132395, 264790, 529580, 820849, 1641698, 3283396, 4104245, 8208490, 16416980]

約数ペア:

[(1, 16416980), (2, 8208490), (4, 4104245), (5, 3283396), (10, 1641698), (20, 820849), (31, 529580), (62, 264790), (124, 132395), (155, 105916), (310, 52958), (620, 26479)]