201810775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{2389}}^1$

素因数の和:2539

約数の個数: 24

約数和(自身を含む): 260796800

約数和(自身を除く): 58986025

約数列:

[1, 5, 25, 31, 109, 155, 545, 775, 2389, 2725, 3379, 11945, 16895, 59725, 74059, 84475, 260401, 370295, 1302005, 1851475, 6510025, 8072431, 40362155, 201810775]

約数ペア:

[(1, 201810775), (5, 40362155), (25, 8072431), (31, 6510025), (109, 1851475), (155, 1302005), (545, 370295), (775, 260401), (2389, 84475), (2725, 74059), (3379, 59725), (11945, 16895)]