40531465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 56689920

約数和(自身を除く): 16158455

約数列:

[1, 5, 13, 19, 37, 65, 95, 185, 247, 481, 703, 887, 1235, 2405, 3515, 4435, 9139, 11531, 16853, 32819, 45695, 57655, 84265, 164095, 219089, 426647, 623561, 1095445, 2133235, 3117805, 8106293, 40531465]

約数ペア:

[(1, 40531465), (5, 8106293), (13, 3117805), (19, 2133235), (37, 1095445), (65, 623561), (95, 426647), (185, 219089), (247, 164095), (481, 84265), (703, 57655), (887, 45695), (1235, 32819), (2405, 16853), (3515, 11531), (4435, 9139)]