1326275660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1\times {\mathrm{1787}}^1$

素因数の和:2702

約数の個数: 48

約数和(自身を含む): 2854849536

約数和(自身を除く): 1528573876

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 863, 1726, 1787, 3452, 3574, 4315, 7148, 8630, 8935, 17260, 17870, 35740, 37109, 74218, 76841, 148436, 153682, 185545, 307364, 371090, 384205, 742180, 768410, 1536820, 1542181, 3084362, 6168724, 7710905, 15421810, 30843620, 66313783, 132627566, 265255132, 331568915, 663137830, 1326275660]

約数ペア:

[(1, 1326275660), (2, 663137830), (4, 331568915), (5, 265255132), (10, 132627566), (20, 66313783), (43, 30843620), (86, 15421810), (172, 7710905), (215, 6168724), (430, 3084362), (860, 1542181), (863, 1536820), (1726, 768410), (1787, 742180), (3452, 384205), (3574, 371090), (4315, 307364), (7148, 185545), (8630, 153682), (8935, 148436), (17260, 76841), (17870, 74218), (35740, 37109)]