25631560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15629}}^1$

素因数の和:15681

約数の個数: 32

約数和(自身を含む): 59081400

約数和(自身を除く): 33449840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 15629, 31258, 62516, 78145, 125032, 156290, 312580, 625160, 640789, 1281578, 2563156, 3203945, 5126312, 6407890, 12815780, 25631560]

約数ペア:

[(1, 25631560), (2, 12815780), (4, 6407890), (5, 5126312), (8, 3203945), (10, 2563156), (20, 1281578), (40, 640789), (41, 625160), (82, 312580), (164, 156290), (205, 125032), (328, 78145), (410, 62516), (820, 31258), (1640, 15629)]