121285240

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{13597}}^1$

素因数の和:13831

約数の個数: 32

約数和(自身を含む): 274135680

約数和(自身を除く): 152850440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 13597, 27194, 54388, 67985, 108776, 135970, 271940, 543880, 3032131, 6064262, 12128524, 15160655, 24257048, 30321310, 60642620, 121285240]

約数ペア:

[(1, 121285240), (2, 60642620), (4, 30321310), (5, 24257048), (8, 15160655), (10, 12128524), (20, 6064262), (40, 3032131), (223, 543880), (446, 271940), (892, 135970), (1115, 108776), (1784, 67985), (2230, 54388), (4460, 27194), (8920, 13597)]