381858320

素因数分解:

$2^4\times 5^1\times {\mathrm{4773229}}^1$

素因数の和:4773242

約数の個数: 20

約数和(自身を含む): 887820780

約数和(自身を除く): 505962460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4773229, 9546458, 19092916, 23866145, 38185832, 47732290, 76371664, 95464580, 190929160, 381858320]

約数ペア:

[(1, 381858320), (2, 190929160), (4, 95464580), (5, 76371664), (8, 47732290), (10, 38185832), (16, 23866145), (20, 19092916), (40, 9546458), (80, 4773229)]