38998480

素因数分解:

$2^4\times 5^1\times {\mathrm{487481}}^1$

素因数の和:487494

約数の個数: 20

約数和(自身を含む): 90671652

約数和(自身を除く): 51673172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487481, 974962, 1949924, 2437405, 3899848, 4874810, 7799696, 9749620, 19499240, 38998480]

約数ペア:

[(1, 38998480), (2, 19499240), (4, 9749620), (5, 7799696), (8, 4874810), (10, 3899848), (16, 2437405), (20, 1949924), (40, 974962), (80, 487481)]