2605820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2659}}^1$

素因数の和:2682

約数の個数: 36

約数和(自身を含む): 6368040

約数和(自身を除く): 3762220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2659, 5318, 10636, 13295, 18613, 26590, 37226, 53180, 74452, 93065, 130291, 186130, 260582, 372260, 521164, 651455, 1302910, 2605820]

約数ペア:

[(1, 2605820), (2, 1302910), (4, 651455), (5, 521164), (7, 372260), (10, 260582), (14, 186130), (20, 130291), (28, 93065), (35, 74452), (49, 53180), (70, 37226), (98, 26590), (140, 18613), (196, 13295), (245, 10636), (490, 5318), (980, 2659)]