82641040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:800

約数の個数: 80

約数和(自身を含む): 202844160

約数和(自身を除く): 120203120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 376, 470, 496, 620, 709, 752, 940, 1240, 1418, 1457, 1880, 2480, 2836, 2914, 3545, 3760, 5672, 5828, 7090, 7285, 11344, 11656, 14180, 14570, 21979, 23312, 28360, 29140, 33323, 43958, 56720, 58280, 66646, 87916, 109895, 116560, 133292, 166615, 175832, 219790, 266584, 333230, 351664, 439580, 533168, 666460, 879160, 1033013, 1332920, 1758320, 2066026, 2665840, 4132052, 5165065, 8264104, 10330130, 16528208, 20660260, 41320520, 82641040]

約数ペア:

[(1, 82641040), (2, 41320520), (4, 20660260), (5, 16528208), (8, 10330130), (10, 8264104), (16, 5165065), (20, 4132052), (31, 2665840), (40, 2066026), (47, 1758320), (62, 1332920), (80, 1033013), (94, 879160), (124, 666460), (155, 533168), (188, 439580), (235, 351664), (248, 333230), (310, 266584), (376, 219790), (470, 175832), (496, 166615), (620, 133292), (709, 116560), (752, 109895), (940, 87916), (1240, 66646), (1418, 58280), (1457, 56720), (1880, 43958), (2480, 33323), (2836, 29140), (2914, 28360), (3545, 23312), (3760, 21979), (5672, 14570), (5828, 14180), (7090, 11656), (7285, 11344)]