1178987920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1339759}}^1$

素因数の和:1339783

約数の個数: 40

約数和(自身を含む): 2990344320

約数和(自身を除く): 1811356400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1339759, 2679518, 5359036, 6698795, 10718072, 13397590, 14737349, 21436144, 26795180, 29474698, 53590360, 58949396, 73686745, 107180720, 117898792, 147373490, 235797584, 294746980, 589493960, 1178987920]

約数ペア:

[(1, 1178987920), (2, 589493960), (4, 294746980), (5, 235797584), (8, 147373490), (10, 117898792), (11, 107180720), (16, 73686745), (20, 58949396), (22, 53590360), (40, 29474698), (44, 26795180), (55, 21436144), (80, 14737349), (88, 13397590), (110, 10718072), (176, 6698795), (220, 5359036), (440, 2679518), (880, 1339759)]