2051270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:560

約数の個数: 32

約数和(自身を含む): 4112640

約数和(自身を除く): 2061370

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 509, 806, 1018, 2015, 2545, 4030, 5090, 6617, 13234, 15779, 31558, 33085, 66170, 78895, 157790, 205127, 410254, 1025635, 2051270]

約数ペア:

[(1, 2051270), (2, 1025635), (5, 410254), (10, 205127), (13, 157790), (26, 78895), (31, 66170), (62, 33085), (65, 31558), (130, 15779), (155, 13234), (310, 6617), (403, 5090), (509, 4030), (806, 2545), (1018, 2015)]