8045694440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{404713}}^1$

素因数の和:404802

約数の個数: 64

約数和(自身を含む): 20980373760

約数和(自身を除く): 12934679320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 19880, 404713, 809426, 1618852, 2023565, 2832991, 3237704, 4047130, 5665982, 8094260, 11331964, 14164955, 16188520, 22663928, 28329910, 28734623, 56659820, 57469246, 113319640, 114938492, 143673115, 201142361, 229876984, 287346230, 402284722, 574692460, 804569444, 1005711805, 1149384920, 1609138888, 2011423610, 4022847220, 8045694440]

約数ペア:

[(1, 8045694440), (2, 4022847220), (4, 2011423610), (5, 1609138888), (7, 1149384920), (8, 1005711805), (10, 804569444), (14, 574692460), (20, 402284722), (28, 287346230), (35, 229876984), (40, 201142361), (56, 143673115), (70, 114938492), (71, 113319640), (140, 57469246), (142, 56659820), (280, 28734623), (284, 28329910), (355, 22663928), (497, 16188520), (568, 14164955), (710, 11331964), (994, 8094260), (1420, 5665982), (1988, 4047130), (2485, 3237704), (2840, 2832991), (3976, 2023565), (4970, 1618852), (9940, 809426), (19880, 404713)]