79982720

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2659}}^1$

素因数の和:2725

約数の個数: 64

約数和(自身を含む): 195350400

約数和(自身を除く): 115367680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1504, 1880, 2659, 3008, 3760, 5318, 6016, 7520, 10636, 13295, 15040, 21272, 26590, 30080, 42544, 53180, 85088, 106360, 124973, 170176, 212720, 249946, 340352, 425440, 499892, 624865, 850880, 999784, 1249730, 1701760, 1999568, 2499460, 3999136, 4998920, 7998272, 9997840, 15996544, 19995680, 39991360, 79982720]

約数ペア:

[(1, 79982720), (2, 39991360), (4, 19995680), (5, 15996544), (8, 9997840), (10, 7998272), (16, 4998920), (20, 3999136), (32, 2499460), (40, 1999568), (47, 1701760), (64, 1249730), (80, 999784), (94, 850880), (128, 624865), (160, 499892), (188, 425440), (235, 340352), (320, 249946), (376, 212720), (470, 170176), (640, 124973), (752, 106360), (940, 85088), (1504, 53180), (1880, 42544), (2659, 30080), (3008, 26590), (3760, 21272), (5318, 15040), (6016, 13295), (7520, 10636)]