39169790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4001}}^1$

素因数の和:4108

約数の個数: 32

約数和(自身を含む): 77798880

約数和(自身を除く): 38629090

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4001, 4895, 8002, 9790, 20005, 40010, 44011, 88022, 220055, 356089, 440110, 712178, 1780445, 3560890, 3916979, 7833958, 19584895, 39169790]

約数ペア:

[(1, 39169790), (2, 19584895), (5, 7833958), (10, 3916979), (11, 3560890), (22, 1780445), (55, 712178), (89, 440110), (110, 356089), (178, 220055), (445, 88022), (890, 44011), (979, 40010), (1958, 20005), (4001, 9790), (4895, 8002)]