2028056720

素因数分解:

$2^4\times 5^1\times {\mathrm{25350709}}^1$

素因数の和:25350722

約数の個数: 20

約数和(自身を含む): 4715232060

約数和(自身を除く): 2687175340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25350709, 50701418, 101402836, 126753545, 202805672, 253507090, 405611344, 507014180, 1014028360, 2028056720]

約数ペア:

[(1, 2028056720), (2, 1014028360), (4, 507014180), (5, 405611344), (8, 253507090), (10, 202805672), (16, 126753545), (20, 101402836), (40, 50701418), (80, 25350709)]