977880080

素因数分解:

$2^4\times 5^1\times {\mathrm{12223501}}^1$

素因数の和:12223514

約数の個数: 20

約数和(自身を含む): 2273571372

約数和(自身を除く): 1295691292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12223501, 24447002, 48894004, 61117505, 97788008, 122235010, 195576016, 244470020, 488940040, 977880080]

約数ペア:

[(1, 977880080), (2, 488940040), (4, 244470020), (5, 195576016), (8, 122235010), (10, 97788008), (16, 61117505), (20, 48894004), (40, 24447002), (80, 12223501)]