61021520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{108967}}^1$

素因数の和:108987

約数の個数: 40

約数和(自身を含む): 162144384

約数和(自身を除く): 101122864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 108967, 217934, 435868, 544835, 762769, 871736, 1089670, 1525538, 1743472, 2179340, 3051076, 3813845, 4358680, 6102152, 7627690, 8717360, 12204304, 15255380, 30510760, 61021520]

約数ペア:

[(1, 61021520), (2, 30510760), (4, 15255380), (5, 12204304), (7, 8717360), (8, 7627690), (10, 6102152), (14, 4358680), (16, 3813845), (20, 3051076), (28, 2179340), (35, 1743472), (40, 1525538), (56, 1089670), (70, 871736), (80, 762769), (112, 544835), (140, 435868), (280, 217934), (560, 108967)]