7730480

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1361}}^1$

素因数の和:1445

約数の個数: 40

約数和(自身を含む): 18239904

約数和(自身を除く): 10509424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1361, 1420, 2722, 2840, 5444, 5680, 6805, 10888, 13610, 21776, 27220, 54440, 96631, 108880, 193262, 386524, 483155, 773048, 966310, 1546096, 1932620, 3865240, 7730480]

約数ペア:

[(1, 7730480), (2, 3865240), (4, 1932620), (5, 1546096), (8, 966310), (10, 773048), (16, 483155), (20, 386524), (40, 193262), (71, 108880), (80, 96631), (142, 54440), (284, 27220), (355, 21776), (568, 13610), (710, 10888), (1136, 6805), (1361, 5680), (1420, 5444), (2722, 2840)]