5165320

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{491}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 11689920

約数和(自身を除く): 6524600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 491, 526, 982, 1052, 1315, 1964, 2104, 2455, 2630, 3928, 4910, 5260, 9820, 10520, 19640, 129133, 258266, 516532, 645665, 1033064, 1291330, 2582660, 5165320]

約数ペア:

[(1, 5165320), (2, 2582660), (4, 1291330), (5, 1033064), (8, 645665), (10, 516532), (20, 258266), (40, 129133), (263, 19640), (491, 10520), (526, 9820), (982, 5260), (1052, 4910), (1315, 3928), (1964, 2630), (2104, 2455)]