31717280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{28319}}^1$

素因数の和:28341

約数の個数: 48

約数和(自身を含む): 85639680

約数和(自身を除く): 53922400

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, 28319, 56638, 113276, 141595, 198233, 226552, 283190, 396466, 453104, 566380, 792932, 906208, 991165, 1132760, 1585864, 1982330, 2265520, 3171728, 3964660, 4531040, 6343456, 7929320, 15858640, 31717280]

約数ペア:

[(1, 31717280), (2, 15858640), (4, 7929320), (5, 6343456), (7, 4531040), (8, 3964660), (10, 3171728), (14, 2265520), (16, 1982330), (20, 1585864), (28, 1132760), (32, 991165), (35, 906208), (40, 792932), (56, 566380), (70, 453104), (80, 396466), (112, 283190), (140, 226552), (160, 198233), (224, 141595), (280, 113276), (560, 56638), (1120, 28319)]