11985080

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2909}}^1$

素因数の和:3023

約数の個数: 32

約数和(自身を含む): 27237600

約数和(自身を除く): 15252520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 2909, 4120, 5818, 11636, 14545, 23272, 29090, 58180, 116360, 299627, 599254, 1198508, 1498135, 2397016, 2996270, 5992540, 11985080]

約数ペア:

[(1, 11985080), (2, 5992540), (4, 2996270), (5, 2397016), (8, 1498135), (10, 1198508), (20, 599254), (40, 299627), (103, 116360), (206, 58180), (412, 29090), (515, 23272), (824, 14545), (1030, 11636), (2060, 5818), (2909, 4120)]