15994520

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1423}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 36141120

約数和(自身を除く): 20146600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 1423, 2248, 2810, 2846, 5620, 5692, 7115, 11240, 11384, 14230, 28460, 56920, 399863, 799726, 1599452, 1999315, 3198904, 3998630, 7997260, 15994520]

約数ペア:

[(1, 15994520), (2, 7997260), (4, 3998630), (5, 3198904), (8, 1999315), (10, 1599452), (20, 799726), (40, 399863), (281, 56920), (562, 28460), (1124, 14230), (1405, 11384), (1423, 11240), (2248, 7115), (2810, 5692), (2846, 5620)]