16065940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{709}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 37215360

約数和(自身を除く): 21149420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 103, 110, 206, 220, 412, 515, 709, 1030, 1133, 1418, 2060, 2266, 2836, 3545, 4532, 5665, 7090, 7799, 11330, 14180, 15598, 22660, 31196, 38995, 73027, 77990, 146054, 155980, 292108, 365135, 730270, 803297, 1460540, 1606594, 3213188, 4016485, 8032970, 16065940]

約数ペア:

[(1, 16065940), (2, 8032970), (4, 4016485), (5, 3213188), (10, 1606594), (11, 1460540), (20, 803297), (22, 730270), (44, 365135), (55, 292108), (103, 155980), (110, 146054), (206, 77990), (220, 73027), (412, 38995), (515, 31196), (709, 22660), (1030, 15598), (1133, 14180), (1418, 11330), (2060, 7799), (2266, 7090), (2836, 5665), (3545, 4532)]