8021920

素因数分解:

$2^5\times 5^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 19125288

約数和(自身を除く): 11103368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 181, 277, 362, 554, 724, 905, 1108, 1385, 1448, 1810, 2216, 2770, 2896, 3620, 4432, 5540, 5792, 7240, 8864, 11080, 14480, 22160, 28960, 44320, 50137, 100274, 200548, 250685, 401096, 501370, 802192, 1002740, 1604384, 2005480, 4010960, 8021920]

約数ペア:

[(1, 8021920), (2, 4010960), (4, 2005480), (5, 1604384), (8, 1002740), (10, 802192), (16, 501370), (20, 401096), (32, 250685), (40, 200548), (80, 100274), (160, 50137), (181, 44320), (277, 28960), (362, 22160), (554, 14480), (724, 11080), (905, 8864), (1108, 7240), (1385, 5792), (1448, 5540), (1810, 4432), (2216, 3620), (2770, 2896)]