15729320

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{853}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 35509320

約数和(自身を除く): 19780000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 853, 922, 1706, 1844, 2305, 3412, 3688, 4265, 4610, 6824, 8530, 9220, 17060, 18440, 34120, 393233, 786466, 1572932, 1966165, 3145864, 3932330, 7864660, 15729320]

約数ペア:

[(1, 15729320), (2, 7864660), (4, 3932330), (5, 3145864), (8, 1966165), (10, 1572932), (20, 786466), (40, 393233), (461, 34120), (853, 18440), (922, 17060), (1706, 9220), (1844, 8530), (2305, 6824), (3412, 4610), (3688, 4265)]