16240720

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2281}}^1$

素因数の和:2383

約数の個数: 40

約数和(自身を含む): 38200680

約数和(自身を除く): 21959960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 2281, 3560, 4562, 7120, 9124, 11405, 18248, 22810, 36496, 45620, 91240, 182480, 203009, 406018, 812036, 1015045, 1624072, 2030090, 3248144, 4060180, 8120360, 16240720]

約数ペア:

[(1, 16240720), (2, 8120360), (4, 4060180), (5, 3248144), (8, 2030090), (10, 1624072), (16, 1015045), (20, 812036), (40, 406018), (80, 203009), (89, 182480), (178, 91240), (356, 45620), (445, 36496), (712, 22810), (890, 18248), (1424, 11405), (1780, 9124), (2281, 7120), (3560, 4562)]