90365470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18787}}^1$

素因数の和:18844

約数の個数: 32

約数和(自身を含む): 179913888

約数和(自身を除く): 89548418

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 18787, 37574, 93935, 187870, 244231, 488462, 695119, 1221155, 1390238, 2442310, 3475595, 6951190, 9036547, 18073094, 45182735, 90365470]

約数ペア:

[(1, 90365470), (2, 45182735), (5, 18073094), (10, 9036547), (13, 6951190), (26, 3475595), (37, 2442310), (65, 1390238), (74, 1221155), (130, 695119), (185, 488462), (370, 244231), (481, 187870), (962, 93935), (2405, 37574), (4810, 18787)]