40381495

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1979}}^1$

素因数の和:2055

約数の個数: 32

約数和(自身を含む): 61585920

約数和(自身を除く): 21204425

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 265, 371, 385, 583, 1855, 1979, 2915, 4081, 9895, 13853, 20405, 21769, 69265, 104887, 108845, 152383, 524435, 734209, 761915, 1153757, 3671045, 5768785, 8076299, 40381495]

約数ペア:

[(1, 40381495), (5, 8076299), (7, 5768785), (11, 3671045), (35, 1153757), (53, 761915), (55, 734209), (77, 524435), (265, 152383), (371, 108845), (385, 104887), (583, 69265), (1855, 21769), (1979, 20405), (2915, 13853), (4081, 9895)]