1358480

素因数分解:

$2^4\times 5^1\times {\mathrm{16981}}^1$

素因数の和:16994

約数の個数: 20

約数和(自身を含む): 3158652

約数和(自身を除く): 1800172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16981, 33962, 67924, 84905, 135848, 169810, 271696, 339620, 679240, 1358480]

約数ペア:

[(1, 1358480), (2, 679240), (4, 339620), (5, 271696), (8, 169810), (10, 135848), (16, 84905), (20, 67924), (40, 33962), (80, 16981)]