25323440

素因数分解:

$2^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{907}}^1$

素因数の和:1269

約数の個数: 40

約数和(自身を含む): 59110800

約数和(自身を除く): 33787360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349, 698, 907, 1396, 1745, 1814, 2792, 3490, 3628, 4535, 5584, 6980, 7256, 9070, 13960, 14512, 18140, 27920, 36280, 72560, 316543, 633086, 1266172, 1582715, 2532344, 3165430, 5064688, 6330860, 12661720, 25323440]

約数ペア:

[(1, 25323440), (2, 12661720), (4, 6330860), (5, 5064688), (8, 3165430), (10, 2532344), (16, 1582715), (20, 1266172), (40, 633086), (80, 316543), (349, 72560), (698, 36280), (907, 27920), (1396, 18140), (1745, 14512), (1814, 13960), (2792, 9070), (3490, 7256), (3628, 6980), (4535, 5584)]