4011440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1223}}^1$

素因数の和:1277

約数の個数: 40

約数和(自身を含む): 9561888

約数和(自身を除く): 5550448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1223, 1640, 2446, 3280, 4892, 6115, 9784, 12230, 19568, 24460, 48920, 50143, 97840, 100286, 200572, 250715, 401144, 501430, 802288, 1002860, 2005720, 4011440]

約数ペア:

[(1, 4011440), (2, 2005720), (4, 1002860), (5, 802288), (8, 501430), (10, 401144), (16, 250715), (20, 200572), (40, 100286), (41, 97840), (80, 50143), (82, 48920), (164, 24460), (205, 19568), (328, 12230), (410, 9784), (656, 6115), (820, 4892), (1223, 3280), (1640, 2446)]