12707440

素因数分解:

$2^4\times 5^1\times {\mathrm{158843}}^1$

素因数の和:158856

約数の個数: 20

約数和(自身を含む): 29544984

約数和(自身を除く): 16837544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 158843, 317686, 635372, 794215, 1270744, 1588430, 2541488, 3176860, 6353720, 12707440]

約数ペア:

[(1, 12707440), (2, 6353720), (4, 3176860), (5, 2541488), (8, 1588430), (10, 1270744), (16, 794215), (20, 635372), (40, 317686), (80, 158843)]