12723880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24469}}^1$

素因数の和:24493

約数の個数: 32

約数和(自身を含む): 30832200

約数和(自身を除く): 18108320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 24469, 48938, 97876, 122345, 195752, 244690, 318097, 489380, 636194, 978760, 1272388, 1590485, 2544776, 3180970, 6361940, 12723880]

約数ペア:

[(1, 12723880), (2, 6361940), (4, 3180970), (5, 2544776), (8, 1590485), (10, 1272388), (13, 978760), (20, 636194), (26, 489380), (40, 318097), (52, 244690), (65, 195752), (104, 122345), (130, 97876), (260, 48938), (520, 24469)]