8161300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 20623680

約数和(自身を除く): 12462380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 89, 100, 131, 140, 175, 178, 262, 350, 356, 445, 524, 623, 655, 700, 890, 917, 1246, 1310, 1780, 1834, 2225, 2492, 2620, 3115, 3275, 3668, 4450, 4585, 6230, 6550, 8900, 9170, 11659, 12460, 13100, 15575, 18340, 22925, 23318, 31150, 45850, 46636, 58295, 62300, 81613, 91700, 116590, 163226, 233180, 291475, 326452, 408065, 582950, 816130, 1165900, 1632260, 2040325, 4080650, 8161300]

約数ペア:

[(1, 8161300), (2, 4080650), (4, 2040325), (5, 1632260), (7, 1165900), (10, 816130), (14, 582950), (20, 408065), (25, 326452), (28, 291475), (35, 233180), (50, 163226), (70, 116590), (89, 91700), (100, 81613), (131, 62300), (140, 58295), (175, 46636), (178, 45850), (262, 31150), (350, 23318), (356, 22925), (445, 18340), (524, 15575), (623, 13100), (655, 12460), (700, 11659), (890, 9170), (917, 8900), (1246, 6550), (1310, 6230), (1780, 4585), (1834, 4450), (2225, 3668), (2492, 3275), (2620, 3115)]