12310220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 28153440

約数和(自身を除く): 15843220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 419, 452, 565, 838, 1130, 1469, 1676, 2095, 2260, 2938, 4190, 5447, 5876, 7345, 8380, 10894, 14690, 21788, 27235, 29380, 47347, 54470, 94694, 108940, 189388, 236735, 473470, 615511, 946940, 1231022, 2462044, 3077555, 6155110, 12310220]

約数ペア:

[(1, 12310220), (2, 6155110), (4, 3077555), (5, 2462044), (10, 1231022), (13, 946940), (20, 615511), (26, 473470), (52, 236735), (65, 189388), (113, 108940), (130, 94694), (226, 54470), (260, 47347), (419, 29380), (452, 27235), (565, 21788), (838, 14690), (1130, 10894), (1469, 8380), (1676, 7345), (2095, 5876), (2260, 5447), (2938, 4190)]