8812840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4157}}^1$

素因数の和:4221

約数の個数: 32

約数和(自身を含む): 20207880

約数和(自身を除く): 11395040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 4157, 8314, 16628, 20785, 33256, 41570, 83140, 166280, 220321, 440642, 881284, 1101605, 1762568, 2203210, 4406420, 8812840]

約数ペア:

[(1, 8812840), (2, 4406420), (4, 2203210), (5, 1762568), (8, 1101605), (10, 881284), (20, 440642), (40, 220321), (53, 166280), (106, 83140), (212, 41570), (265, 33256), (424, 20785), (530, 16628), (1060, 8314), (2120, 4157)]