2080921225

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{349}}^1\times {\mathrm{3019}}^1$

素因数の和:3457

約数の個数: 24

約数和(自身を含む): 2621360000

約数和(自身を除く): 540438775

約数列:

[1, 5, 25, 79, 349, 395, 1745, 1975, 3019, 8725, 15095, 27571, 75475, 137855, 238501, 689275, 1053631, 1192505, 5268155, 5962525, 26340775, 83236849, 416184245, 2080921225]

約数ペア:

[(1, 2080921225), (5, 416184245), (25, 83236849), (79, 26340775), (349, 5962525), (395, 5268155), (1745, 1192505), (1975, 1053631), (3019, 689275), (8725, 238501), (15095, 137855), (27571, 75475)]