11520160

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 27556200

約数和(自身を除く): 16036040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 809, 890, 1424, 1618, 1780, 2848, 3236, 3560, 4045, 6472, 7120, 8090, 12944, 14240, 16180, 25888, 32360, 64720, 72001, 129440, 144002, 288004, 360005, 576008, 720010, 1152016, 1440020, 2304032, 2880040, 5760080, 11520160]

約数ペア:

[(1, 11520160), (2, 5760080), (4, 2880040), (5, 2304032), (8, 1440020), (10, 1152016), (16, 720010), (20, 576008), (32, 360005), (40, 288004), (80, 144002), (89, 129440), (160, 72001), (178, 64720), (356, 32360), (445, 25888), (712, 16180), (809, 14240), (890, 12944), (1424, 8090), (1618, 7120), (1780, 6472), (2848, 4045), (3236, 3560)]