2010128080

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{138821}}^1$

素因数の和:139015

約数の個数: 40

約数和(自身を含む): 4699402344

約数和(自身を除く): 2689274264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 7240, 14480, 138821, 277642, 555284, 694105, 1110568, 1388210, 2221136, 2776420, 5552840, 11105680, 25126601, 50253202, 100506404, 125633005, 201012808, 251266010, 402025616, 502532020, 1005064040, 2010128080]

約数ペア:

[(1, 2010128080), (2, 1005064040), (4, 502532020), (5, 402025616), (8, 251266010), (10, 201012808), (16, 125633005), (20, 100506404), (40, 50253202), (80, 25126601), (181, 11105680), (362, 5552840), (724, 2776420), (905, 2221136), (1448, 1388210), (1810, 1110568), (2896, 694105), (3620, 555284), (7240, 277642), (14480, 138821)]