1430480

素因数分解:

$2^4\times 5^1\times {\mathrm{17881}}^1$

素因数の和:17894

約数の個数: 20

約数和(自身を含む): 3326052

約数和(自身を除く): 1895572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 17881, 35762, 71524, 89405, 143048, 178810, 286096, 357620, 715240, 1430480]

約数ペア:

[(1, 1430480), (2, 715240), (4, 357620), (5, 286096), (8, 178810), (10, 143048), (16, 89405), (20, 71524), (40, 35762), (80, 17881)]