1648270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 3306240

約数和(自身を除く): 1657970

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 409, 806, 818, 2015, 2045, 4030, 4090, 5317, 10634, 12679, 25358, 26585, 53170, 63395, 126790, 164827, 329654, 824135, 1648270]

約数ペア:

[(1, 1648270), (2, 824135), (5, 329654), (10, 164827), (13, 126790), (26, 63395), (31, 53170), (62, 26585), (65, 25358), (130, 12679), (155, 10634), (310, 5317), (403, 4090), (409, 4030), (806, 2045), (818, 2015)]