16205120

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:675

約数の個数: 56

約数和(自身を含む): 39090600

約数和(自身を除く): 22885480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 569, 712, 890, 1138, 1424, 1780, 2276, 2845, 2848, 3560, 4552, 5690, 5696, 7120, 9104, 11380, 14240, 18208, 22760, 28480, 36416, 45520, 50641, 91040, 101282, 182080, 202564, 253205, 405128, 506410, 810256, 1012820, 1620512, 2025640, 3241024, 4051280, 8102560, 16205120]

約数ペア:

[(1, 16205120), (2, 8102560), (4, 4051280), (5, 3241024), (8, 2025640), (10, 1620512), (16, 1012820), (20, 810256), (32, 506410), (40, 405128), (64, 253205), (80, 202564), (89, 182080), (160, 101282), (178, 91040), (320, 50641), (356, 45520), (445, 36416), (569, 28480), (712, 22760), (890, 18208), (1138, 14240), (1424, 11380), (1780, 9104), (2276, 7120), (2845, 5696), (2848, 5690), (3560, 4552)]