2015360080

素因数分解:

$2^4\times 5^1\times {\mathrm{25192001}}^1$

素因数の和:25192014

約数の個数: 20

約数和(自身を含む): 4685712372

約数和(自身を除く): 2670352292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25192001, 50384002, 100768004, 125960005, 201536008, 251920010, 403072016, 503840020, 1007680040, 2015360080]

約数ペア:

[(1, 2015360080), (2, 1007680040), (4, 503840020), (5, 403072016), (8, 251920010), (10, 201536008), (16, 125960005), (20, 100768004), (40, 50384002), (80, 25192001)]