1025293040

素因数分解:

$2^4\times 5^1\times {\mathrm{12816163}}^1$

素因数の和:12816176

約数の個数: 20

約数和(自身を含む): 2383806504

約数和(自身を除く): 1358513464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12816163, 25632326, 51264652, 64080815, 102529304, 128161630, 205058608, 256323260, 512646520, 1025293040]

約数ペア:

[(1, 1025293040), (2, 512646520), (4, 256323260), (5, 205058608), (8, 128161630), (10, 102529304), (16, 64080815), (20, 51264652), (40, 25632326), (80, 12816163)]