11951320

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{587}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 26989200

約数和(自身を除く): 15037880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 587, 1018, 1174, 2036, 2348, 2545, 2935, 4072, 4696, 5090, 5870, 10180, 11740, 20360, 23480, 298783, 597566, 1195132, 1493915, 2390264, 2987830, 5975660, 11951320]

約数ペア:

[(1, 11951320), (2, 5975660), (4, 2987830), (5, 2390264), (8, 1493915), (10, 1195132), (20, 597566), (40, 298783), (509, 23480), (587, 20360), (1018, 11740), (1174, 10180), (2036, 5870), (2348, 5090), (2545, 4696), (2935, 4072)]