28688240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51229}}^1$

素因数の和:51249

約数の個数: 40

約数和(自身を含む): 76230240

約数和(自身を除く): 47542000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51229, 102458, 204916, 256145, 358603, 409832, 512290, 717206, 819664, 1024580, 1434412, 1793015, 2049160, 2868824, 3586030, 4098320, 5737648, 7172060, 14344120, 28688240]

約数ペア:

[(1, 28688240), (2, 14344120), (4, 7172060), (5, 5737648), (7, 4098320), (8, 3586030), (10, 2868824), (14, 2049160), (16, 1793015), (20, 1434412), (28, 1024580), (35, 819664), (40, 717206), (56, 512290), (70, 409832), (80, 358603), (112, 256145), (140, 204916), (280, 102458), (560, 51229)]