17453840

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2039}}^1$

素因数の和:2159

約数の個数: 40

約数和(自身を含む): 40979520

約数和(自身を除く): 23525680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2039, 2140, 4078, 4280, 8156, 8560, 10195, 16312, 20390, 32624, 40780, 81560, 163120, 218173, 436346, 872692, 1090865, 1745384, 2181730, 3490768, 4363460, 8726920, 17453840]

約数ペア:

[(1, 17453840), (2, 8726920), (4, 4363460), (5, 3490768), (8, 2181730), (10, 1745384), (16, 1090865), (20, 872692), (40, 436346), (80, 218173), (107, 163120), (214, 81560), (428, 40780), (535, 32624), (856, 20390), (1070, 16312), (1712, 10195), (2039, 8560), (2140, 8156), (4078, 4280)]