8726920

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2039}}^1$

素因数の和:2157

約数の個数: 32

約数和(自身を含む): 19828800

約数和(自身を除く): 11101880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2039, 2140, 4078, 4280, 8156, 10195, 16312, 20390, 40780, 81560, 218173, 436346, 872692, 1090865, 1745384, 2181730, 4363460, 8726920]

約数ペア:

[(1, 8726920), (2, 4363460), (4, 2181730), (5, 1745384), (8, 1090865), (10, 872692), (20, 436346), (40, 218173), (107, 81560), (214, 40780), (428, 20390), (535, 16312), (856, 10195), (1070, 8156), (2039, 4280), (2140, 4078)]