74632520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43391}}^1$

素因数の和:43445

約数の個数: 32

約数和(自身を含む): 171832320

約数和(自身を除く): 97199800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 43391, 86782, 173564, 216955, 347128, 433910, 867820, 1735640, 1865813, 3731626, 7463252, 9329065, 14926504, 18658130, 37316260, 74632520]

約数ペア:

[(1, 74632520), (2, 37316260), (4, 18658130), (5, 14926504), (8, 9329065), (10, 7463252), (20, 3731626), (40, 1865813), (43, 1735640), (86, 867820), (172, 433910), (215, 347128), (344, 216955), (430, 173564), (860, 86782), (1720, 43391)]