2530520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1543}}^1$

素因数の和:1595

約数の個数: 32

約数和(自身を含む): 5836320

約数和(自身を除く): 3305800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1543, 1640, 3086, 6172, 7715, 12344, 15430, 30860, 61720, 63263, 126526, 253052, 316315, 506104, 632630, 1265260, 2530520]

約数ペア:

[(1, 2530520), (2, 1265260), (4, 632630), (5, 506104), (8, 316315), (10, 253052), (20, 126526), (40, 63263), (41, 61720), (82, 30860), (164, 15430), (205, 12344), (328, 7715), (410, 6172), (820, 3086), (1543, 1640)]