68378680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{24077}}^1$

素因数の和:24159

約数の個数: 32

約数和(自身を含む): 156025440

約数和(自身を除く): 87646760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 24077, 48154, 96308, 120385, 192616, 240770, 481540, 963080, 1709467, 3418934, 6837868, 8547335, 13675736, 17094670, 34189340, 68378680]

約数ペア:

[(1, 68378680), (2, 34189340), (4, 17094670), (5, 13675736), (8, 8547335), (10, 6837868), (20, 3418934), (40, 1709467), (71, 963080), (142, 481540), (284, 240770), (355, 192616), (568, 120385), (710, 96308), (1420, 48154), (2840, 24077)]