16105000

素因数分解:

$2^3\times 5^4\times {\mathrm{3221}}^1$

素因数の和:3247

約数の個数: 40

約数和(自身を含む): 37745730

約数和(自身を除く): 21640730

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 3221, 5000, 6442, 12884, 16105, 25768, 32210, 64420, 80525, 128840, 161050, 322100, 402625, 644200, 805250, 1610500, 2013125, 3221000, 4026250, 8052500, 16105000]

約数ペア:

[(1, 16105000), (2, 8052500), (4, 4026250), (5, 3221000), (8, 2013125), (10, 1610500), (20, 805250), (25, 644200), (40, 402625), (50, 322100), (100, 161050), (125, 128840), (200, 80525), (250, 64420), (500, 32210), (625, 25768), (1000, 16105), (1250, 12884), (2500, 6442), (3221, 5000)]