12210980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10009}}^1$

素因数の和:10079

約数の個数: 24

約数和(自身を含む): 26066040

約数和(自身を除く): 13855060

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 10009, 20018, 40036, 50045, 100090, 200180, 610549, 1221098, 2442196, 3052745, 6105490, 12210980]

約数ペア:

[(1, 12210980), (2, 6105490), (4, 3052745), (5, 2442196), (10, 1221098), (20, 610549), (61, 200180), (122, 100090), (244, 50045), (305, 40036), (610, 20018), (1220, 10009)]