39478480

素因数分解:

$2^4\times 5^1\times {\mathrm{493481}}^1$

素因数の和:493494

約数の個数: 20

約数和(自身を含む): 91787652

約数和(自身を除く): 52309172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 493481, 986962, 1973924, 2467405, 3947848, 4934810, 7895696, 9869620, 19739240, 39478480]

約数ペア:

[(1, 39478480), (2, 19739240), (4, 9869620), (5, 7895696), (8, 4934810), (10, 3947848), (16, 2467405), (20, 1973924), (40, 986962), (80, 493481)]