3260270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 6531840

約数和(自身を除く): 3271570

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 809, 1618, 2015, 4030, 4045, 8090, 10517, 21034, 25079, 50158, 52585, 105170, 125395, 250790, 326027, 652054, 1630135, 3260270]

約数ペア:

[(1, 3260270), (2, 1630135), (5, 652054), (10, 326027), (13, 250790), (26, 125395), (31, 105170), (62, 52585), (65, 50158), (130, 25079), (155, 21034), (310, 10517), (403, 8090), (806, 4045), (809, 4030), (1618, 2015)]