866345980

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{120661}}^1$

素因数の和:121029

約数の個数: 24

約数和(自身を含む): 1824409440

約数和(自身を除く): 958063460

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 120661, 241322, 482644, 603305, 1206610, 2413220, 43317299, 86634598, 173269196, 216586495, 433172990, 866345980]

約数ペア:

[(1, 866345980), (2, 433172990), (4, 216586495), (5, 173269196), (10, 86634598), (20, 43317299), (359, 2413220), (718, 1206610), (1436, 603305), (1795, 482644), (3590, 241322), (7180, 120661)]