1236700840

素因数分解:

$2^3\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{21727}}^1$

素因数の和:23161

約数の個数: 32

約数和(自身を含む): 2784660480

約数和(自身を除く): 1547959640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1423, 2846, 5692, 7115, 11384, 14230, 21727, 28460, 43454, 56920, 86908, 108635, 173816, 217270, 434540, 869080, 30917521, 61835042, 123670084, 154587605, 247340168, 309175210, 618350420, 1236700840]

約数ペア:

[(1, 1236700840), (2, 618350420), (4, 309175210), (5, 247340168), (8, 154587605), (10, 123670084), (20, 61835042), (40, 30917521), (1423, 869080), (2846, 434540), (5692, 217270), (7115, 173816), (11384, 108635), (14230, 86908), (21727, 56920), (28460, 43454)]