12305440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{10987}}^1$

素因数の和:11009

約数の個数: 48

約数和(自身を含む): 33227712

約数和(自身を除く): 20922272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 10987, 21974, 43948, 54935, 76909, 87896, 109870, 153818, 175792, 219740, 307636, 351584, 384545, 439480, 615272, 769090, 878960, 1230544, 1538180, 1757920, 2461088, 3076360, 6152720, 12305440]

約数ペア:

[(1, 12305440), (2, 6152720), (4, 3076360), (5, 2461088), (7, 1757920), (8, 1538180), (10, 1230544), (14, 878960), (16, 769090), (20, 615272), (28, 439480), (32, 384545), (35, 351584), (40, 307636), (56, 219740), (70, 175792), (80, 153818), (112, 109870), (140, 87896), (160, 76909), (224, 54935), (280, 43948), (560, 21974), (1120, 10987)]