16940720

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{577}}^1$

素因数の和:957

約数の個数: 40

約数和(自身を含む): 39562944

約数和(自身を除く): 22622224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 577, 734, 1154, 1468, 1835, 2308, 2885, 2936, 3670, 4616, 5770, 5872, 7340, 9232, 11540, 14680, 23080, 29360, 46160, 211759, 423518, 847036, 1058795, 1694072, 2117590, 3388144, 4235180, 8470360, 16940720]

約数ペア:

[(1, 16940720), (2, 8470360), (4, 4235180), (5, 3388144), (8, 2117590), (10, 1694072), (16, 1058795), (20, 847036), (40, 423518), (80, 211759), (367, 46160), (577, 29360), (734, 23080), (1154, 14680), (1468, 11540), (1835, 9232), (2308, 7340), (2885, 5872), (2936, 5770), (3670, 4616)]