71222360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{161869}}^1$

素因数の和:161891

約数の個数: 32

約数和(自身を含む): 174819600

約数和(自身を除く): 103597240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 161869, 323738, 647476, 809345, 1294952, 1618690, 1780559, 3237380, 3561118, 6474760, 7122236, 8902795, 14244472, 17805590, 35611180, 71222360]

約数ペア:

[(1, 71222360), (2, 35611180), (4, 17805590), (5, 14244472), (8, 8902795), (10, 7122236), (11, 6474760), (20, 3561118), (22, 3237380), (40, 1780559), (44, 1618690), (55, 1294952), (88, 809345), (110, 647476), (220, 323738), (440, 161869)]