2012123440

素因数分解:

$2^4\times 5^1\times {\mathrm{811}}^1\times {\mathrm{31013}}^1$

素因数の和:31837

約数の個数: 40

約数和(自身を含む): 4684106448

約数和(自身を除く): 2671983008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 811, 1622, 3244, 4055, 6488, 8110, 12976, 16220, 31013, 32440, 62026, 64880, 124052, 155065, 248104, 310130, 496208, 620260, 1240520, 2481040, 25151543, 50303086, 100606172, 125757715, 201212344, 251515430, 402424688, 503030860, 1006061720, 2012123440]

約数ペア:

[(1, 2012123440), (2, 1006061720), (4, 503030860), (5, 402424688), (8, 251515430), (10, 201212344), (16, 125757715), (20, 100606172), (40, 50303086), (80, 25151543), (811, 2481040), (1622, 1240520), (3244, 620260), (4055, 496208), (6488, 310130), (8110, 248104), (12976, 155065), (16220, 124052), (31013, 64880), (32440, 62026)]