29120009720

素因数分解:

$2^3\times 5^1\times {\mathrm{728000243}}^1$

素因数の和:728000254

約数の個数: 16

約数和(自身を含む): 65520021960

約数和(自身を除く): 36400012240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 728000243, 1456000486, 2912000972, 3640001215, 5824001944, 7280002430, 14560004860, 29120009720]

約数ペア:

[(1, 29120009720), (2, 14560004860), (4, 7280002430), (5, 5824001944), (8, 3640001215), (10, 2912000972), (20, 1456000486), (40, 728000243)]