16211720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{57899}}^1$

素因数の和:57917

約数の個数: 32

約数和(自身を含む): 41688000

約数和(自身を除く): 25476280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 57899, 115798, 231596, 289495, 405293, 463192, 578990, 810586, 1157980, 1621172, 2026465, 2315960, 3242344, 4052930, 8105860, 16211720]

約数ペア:

[(1, 16211720), (2, 8105860), (4, 4052930), (5, 3242344), (7, 2315960), (8, 2026465), (10, 1621172), (14, 1157980), (20, 810586), (28, 578990), (35, 463192), (40, 405293), (56, 289495), (70, 231596), (140, 115798), (280, 57899)]