55519960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81647}}^1$

素因数の和:81675

約数の個数: 32

約数和(自身を含む): 132269760

約数和(自身を除く): 76749800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 81647, 163294, 326588, 408235, 653176, 816470, 1387999, 1632940, 2775998, 3265880, 5551996, 6939995, 11103992, 13879990, 27759980, 55519960]

約数ペア:

[(1, 55519960), (2, 27759980), (4, 13879990), (5, 11103992), (8, 6939995), (10, 5551996), (17, 3265880), (20, 2775998), (34, 1632940), (40, 1387999), (68, 816470), (85, 653176), (136, 408235), (170, 326588), (340, 163294), (680, 81647)]