80305810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19927}}^1$

素因数の和:19978

約数の個数: 32

約数和(自身を含む): 160699392

約数和(自身を除く): 80393582

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 19927, 39854, 99635, 199270, 259051, 518102, 617737, 1235474, 1295255, 2590510, 3088685, 6177370, 8030581, 16061162, 40152905, 80305810]

約数ペア:

[(1, 80305810), (2, 40152905), (5, 16061162), (10, 8030581), (13, 6177370), (26, 3088685), (31, 2590510), (62, 1295255), (65, 1235474), (130, 617737), (155, 518102), (310, 259051), (403, 199270), (806, 99635), (2015, 39854), (4030, 19927)]