20161245610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{260717}}^1$

素因数の和:260791

約数の個数: 64

約数和(自身を含む): 42799466880

約数和(自身を除く): 22638221270

約数列:

[1, 2, 5, 10, 11, 19, 22, 37, 38, 55, 74, 95, 110, 185, 190, 209, 370, 407, 418, 703, 814, 1045, 1406, 2035, 2090, 3515, 4070, 7030, 7733, 15466, 38665, 77330, 260717, 521434, 1303585, 2607170, 2867887, 4953623, 5735774, 9646529, 9907246, 14339435, 19293058, 24768115, 28678870, 48232645, 49536230, 54489853, 96465290, 106111819, 108979706, 183284051, 212223638, 272449265, 366568102, 530559095, 544898530, 916420255, 1061118190, 1832840510, 2016124561, 4032249122, 10080622805, 20161245610]

約数ペア:

[(1, 20161245610), (2, 10080622805), (5, 4032249122), (10, 2016124561), (11, 1832840510), (19, 1061118190), (22, 916420255), (37, 544898530), (38, 530559095), (55, 366568102), (74, 272449265), (95, 212223638), (110, 183284051), (185, 108979706), (190, 106111819), (209, 96465290), (370, 54489853), (407, 49536230), (418, 48232645), (703, 28678870), (814, 24768115), (1045, 19293058), (1406, 14339435), (2035, 9907246), (2090, 9646529), (3515, 5735774), (4070, 4953623), (7030, 2867887), (7733, 2607170), (15466, 1303585), (38665, 521434), (77330, 260717)]