31939040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{28517}}^1$

素因数の和:28539

約数の個数: 48

約数和(自身を含む): 86238432

約数和(自身を除く): 54299392

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, 28517, 57034, 114068, 142585, 199619, 228136, 285170, 399238, 456272, 570340, 798476, 912544, 998095, 1140680, 1596952, 1996190, 2281360, 3193904, 3992380, 4562720, 6387808, 7984760, 15969520, 31939040]

約数ペア:

[(1, 31939040), (2, 15969520), (4, 7984760), (5, 6387808), (7, 4562720), (8, 3992380), (10, 3193904), (14, 2281360), (16, 1996190), (20, 1596952), (28, 1140680), (32, 998095), (35, 912544), (40, 798476), (56, 570340), (70, 456272), (80, 399238), (112, 285170), (140, 228136), (160, 199619), (224, 142585), (280, 114068), (560, 57034), (1120, 28517)]