57091280

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1103}}^1$

素因数の和:1763

約数の個数: 40

約数和(自身を含む): 133062912

約数和(自身を除く): 75971632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1103, 1294, 2206, 2588, 3235, 4412, 5176, 5515, 6470, 8824, 10352, 11030, 12940, 17648, 22060, 25880, 44120, 51760, 88240, 713641, 1427282, 2854564, 3568205, 5709128, 7136410, 11418256, 14272820, 28545640, 57091280]

約数ペア:

[(1, 57091280), (2, 28545640), (4, 14272820), (5, 11418256), (8, 7136410), (10, 5709128), (16, 3568205), (20, 2854564), (40, 1427282), (80, 713641), (647, 88240), (1103, 51760), (1294, 44120), (2206, 25880), (2588, 22060), (3235, 17648), (4412, 12940), (5176, 11030), (5515, 10352), (6470, 8824)]