28756900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{12503}}^1$

素因数の和:12540

約数の個数: 36

約数和(自身を含む): 65120832

約数和(自身を除く): 36363932

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 12503, 25006, 50012, 62515, 125030, 250060, 287569, 312575, 575138, 625150, 1150276, 1250300, 1437845, 2875690, 5751380, 7189225, 14378450, 28756900]

約数ペア:

[(1, 28756900), (2, 14378450), (4, 7189225), (5, 5751380), (10, 2875690), (20, 1437845), (23, 1250300), (25, 1150276), (46, 625150), (50, 575138), (92, 312575), (100, 287569), (115, 250060), (230, 125030), (460, 62515), (575, 50012), (1150, 25006), (2300, 12503)]