28440440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101573}}^1$

素因数の和:101591

約数の個数: 32

約数和(自身を含む): 73133280

約数和(自身を除く): 44692840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101573, 203146, 406292, 507865, 711011, 812584, 1015730, 1422022, 2031460, 2844044, 3555055, 4062920, 5688088, 7110110, 14220220, 28440440]

約数ペア:

[(1, 28440440), (2, 14220220), (4, 7110110), (5, 5688088), (7, 4062920), (8, 3555055), (10, 2844044), (14, 2031460), (20, 1422022), (28, 1015730), (35, 812584), (40, 711011), (56, 507865), (70, 406292), (140, 203146), (280, 101573)]