89954620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{642533}}^1$

素因数の和:642549

約数の個数: 24

約数和(自身を含む): 215891424

約数和(自身を除く): 125936804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 642533, 1285066, 2570132, 3212665, 4497731, 6425330, 8995462, 12850660, 17990924, 22488655, 44977310, 89954620]

約数ペア:

[(1, 89954620), (2, 44977310), (4, 22488655), (5, 17990924), (7, 12850660), (10, 8995462), (14, 6425330), (20, 4497731), (28, 3212665), (35, 2570132), (70, 1285066), (140, 642533)]