9878636540

素因数分解:

$2^2\times 5^1\times {\mathrm{51521}}^1\times {\mathrm{9587}}^1$

素因数の和:61117

約数の個数: 24

約数和(自身を含む): 20747703312

約数和(自身を除く): 10869066772

約数列:

[1, 2, 4, 5, 10, 20, 9587, 19174, 38348, 47935, 51521, 95870, 103042, 191740, 206084, 257605, 515210, 1030420, 493931827, 987863654, 1975727308, 2469659135, 4939318270, 9878636540]

約数ペア:

[(1, 9878636540), (2, 4939318270), (4, 2469659135), (5, 1975727308), (10, 987863654), (20, 493931827), (9587, 1030420), (19174, 515210), (38348, 257605), (47935, 206084), (51521, 191740), (95870, 103042)]