80189300

素因数分解:

$2^2\times 5^2\times {\mathrm{499}}^1\times {\mathrm{1607}}^1$

素因数の和:2120

約数の個数: 36

約数和(自身を含む): 174468000

約数和(自身を除く): 94278700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 499, 998, 1607, 1996, 2495, 3214, 4990, 6428, 8035, 9980, 12475, 16070, 24950, 32140, 40175, 49900, 80350, 160700, 801893, 1603786, 3207572, 4009465, 8018930, 16037860, 20047325, 40094650, 80189300]

約数ペア:

[(1, 80189300), (2, 40094650), (4, 20047325), (5, 16037860), (10, 8018930), (20, 4009465), (25, 3207572), (50, 1603786), (100, 801893), (499, 160700), (998, 80350), (1607, 49900), (1996, 40175), (2495, 32140), (3214, 24950), (4990, 16070), (6428, 12475), (8035, 9980)]