88666420

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{21011}}^1$

素因数の和:21231

約数の個数: 24

約数和(自身を含む): 187090848

約数和(自身を除く): 98424428

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 21011, 42022, 84044, 105055, 210110, 420220, 4433321, 8866642, 17733284, 22166605, 44333210, 88666420]

約数ペア:

[(1, 88666420), (2, 44333210), (4, 22166605), (5, 17733284), (10, 8866642), (20, 4433321), (211, 420220), (422, 210110), (844, 105055), (1055, 84044), (2110, 42022), (4220, 21011)]