18528100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{6389}}^1$

素因数の和:6432

約数の個数: 36

約数和(自身を含む): 41598900

約数和(自身を除く): 23070800

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 6389, 12778, 25556, 31945, 63890, 127780, 159725, 185281, 319450, 370562, 638900, 741124, 926405, 1852810, 3705620, 4632025, 9264050, 18528100]

約数ペア:

[(1, 18528100), (2, 9264050), (4, 4632025), (5, 3705620), (10, 1852810), (20, 926405), (25, 741124), (29, 638900), (50, 370562), (58, 319450), (100, 185281), (116, 159725), (145, 127780), (290, 63890), (580, 31945), (725, 25556), (1450, 12778), (2900, 6389)]