16165720

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1459}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 36529200

約数和(自身を除く): 20363480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 1459, 2216, 2770, 2918, 5540, 5836, 7295, 11080, 11672, 14590, 29180, 58360, 404143, 808286, 1616572, 2020715, 3233144, 4041430, 8082860, 16165720]

約数ペア:

[(1, 16165720), (2, 8082860), (4, 4041430), (5, 3233144), (8, 2020715), (10, 1616572), (20, 808286), (40, 404143), (277, 58360), (554, 29180), (1108, 14590), (1385, 11672), (1459, 11080), (2216, 7295), (2770, 5836), (2918, 5540)]