388592840

素因数分解:

$2^3\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{6827}}^1$

素因数の和:8261

約数の個数: 32

約数和(自身を含む): 875076480

約数和(自身を除く): 486483640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1423, 2846, 5692, 6827, 7115, 11384, 13654, 14230, 27308, 28460, 34135, 54616, 56920, 68270, 136540, 273080, 9714821, 19429642, 38859284, 48574105, 77718568, 97148210, 194296420, 388592840]

約数ペア:

[(1, 388592840), (2, 194296420), (4, 97148210), (5, 77718568), (8, 48574105), (10, 38859284), (20, 19429642), (40, 9714821), (1423, 273080), (2846, 136540), (5692, 68270), (6827, 56920), (7115, 54616), (11384, 34135), (13654, 28460), (14230, 27308)]