9997840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2659}}^1$

素因数の和:2719

約数の個数: 40

約数和(自身を含む): 23748480

約数和(自身を除く): 13750640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 2659, 3760, 5318, 10636, 13295, 21272, 26590, 42544, 53180, 106360, 124973, 212720, 249946, 499892, 624865, 999784, 1249730, 1999568, 2499460, 4998920, 9997840]

約数ペア:

[(1, 9997840), (2, 4998920), (4, 2499460), (5, 1999568), (8, 1249730), (10, 999784), (16, 624865), (20, 499892), (40, 249946), (47, 212720), (80, 124973), (94, 106360), (188, 53180), (235, 42544), (376, 26590), (470, 21272), (752, 13295), (940, 10636), (1880, 5318), (2659, 3760)]