9809020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1217}}^1$

素因数の和:1270

約数の個数: 48

約数和(自身を含む): 22917888

約数和(自身を除く): 13108868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1217, 1612, 2015, 2434, 4030, 4868, 6085, 8060, 12170, 15821, 24340, 31642, 37727, 63284, 75454, 79105, 150908, 158210, 188635, 316420, 377270, 490451, 754540, 980902, 1961804, 2452255, 4904510, 9809020]

約数ペア:

[(1, 9809020), (2, 4904510), (4, 2452255), (5, 1961804), (10, 980902), (13, 754540), (20, 490451), (26, 377270), (31, 316420), (52, 188635), (62, 158210), (65, 150908), (124, 79105), (130, 75454), (155, 63284), (260, 37727), (310, 31642), (403, 24340), (620, 15821), (806, 12170), (1217, 8060), (1612, 6085), (2015, 4868), (2434, 4030)]