2012310920

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{77041}}^1$

素因数の和:77705

約数の個数: 32

約数和(自身を含む): 4534692120

約数和(自身を除く): 2522381200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2612, 3265, 5224, 6530, 13060, 26120, 77041, 154082, 308164, 385205, 616328, 770410, 1540820, 3081640, 50307773, 100615546, 201231092, 251538865, 402462184, 503077730, 1006155460, 2012310920]

約数ペア:

[(1, 2012310920), (2, 1006155460), (4, 503077730), (5, 402462184), (8, 251538865), (10, 201231092), (20, 100615546), (40, 50307773), (653, 3081640), (1306, 1540820), (2612, 770410), (3265, 616328), (5224, 385205), (6530, 308164), (13060, 154082), (26120, 77041)]