6648560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2027}}^1$

素因数の和:2081

約数の個数: 40

約数和(自身を含む): 15842736

約数和(自身を除く): 9194176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2027, 3280, 4054, 8108, 10135, 16216, 20270, 32432, 40540, 81080, 83107, 162160, 166214, 332428, 415535, 664856, 831070, 1329712, 1662140, 3324280, 6648560]

約数ペア:

[(1, 6648560), (2, 3324280), (4, 1662140), (5, 1329712), (8, 831070), (10, 664856), (16, 415535), (20, 332428), (40, 166214), (41, 162160), (80, 83107), (82, 81080), (164, 40540), (205, 32432), (328, 20270), (410, 16216), (656, 10135), (820, 8108), (1640, 4054), (2027, 3280)]