402408880

素因数分解:

$2^4\times 5^1\times {\mathrm{5030111}}^1$

素因数の和:5030124

約数の個数: 20

約数和(自身を含む): 935600832

約数和(自身を除く): 533191952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5030111, 10060222, 20120444, 25150555, 40240888, 50301110, 80481776, 100602220, 201204440, 402408880]

約数ペア:

[(1, 402408880), (2, 201204440), (4, 100602220), (5, 80481776), (8, 50301110), (10, 40240888), (16, 25150555), (20, 20120444), (40, 10060222), (80, 5030111)]