39795220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 85892688

約数和(自身を除く): 46097468

約数列:

[1, 2, 4, 5, 10, 20, 73, 97, 146, 194, 281, 292, 365, 388, 485, 562, 730, 970, 1124, 1405, 1460, 1940, 2810, 5620, 7081, 14162, 20513, 27257, 28324, 35405, 41026, 54514, 70810, 82052, 102565, 109028, 136285, 141620, 205130, 272570, 410260, 545140, 1989761, 3979522, 7959044, 9948805, 19897610, 39795220]

約数ペア:

[(1, 39795220), (2, 19897610), (4, 9948805), (5, 7959044), (10, 3979522), (20, 1989761), (73, 545140), (97, 410260), (146, 272570), (194, 205130), (281, 141620), (292, 136285), (365, 109028), (388, 102565), (485, 82052), (562, 70810), (730, 54514), (970, 41026), (1124, 35405), (1405, 28324), (1460, 27257), (1940, 20513), (2810, 14162), (5620, 7081)]