7849040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2393}}^1$

素因数の和:2447

約数の個数: 40

約数和(自身を含む): 18701928

約数和(自身を除く): 10852888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2393, 3280, 4786, 9572, 11965, 19144, 23930, 38288, 47860, 95720, 98113, 191440, 196226, 392452, 490565, 784904, 981130, 1569808, 1962260, 3924520, 7849040]

約数ペア:

[(1, 7849040), (2, 3924520), (4, 1962260), (5, 1569808), (8, 981130), (10, 784904), (16, 490565), (20, 392452), (40, 196226), (41, 191440), (80, 98113), (82, 95720), (164, 47860), (205, 38288), (328, 23930), (410, 19144), (656, 11965), (820, 9572), (1640, 4786), (2393, 3280)]