40509280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{5167}}^1$

素因数の和:5196

約数の個数: 72

約数和(自身を含む): 111349728

約数和(自身を除く): 70840448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 5167, 7840, 10334, 20668, 25835, 36169, 41336, 51670, 72338, 82672, 103340, 144676, 165344, 180845, 206680, 253183, 289352, 361690, 413360, 506366, 578704, 723380, 826720, 1012732, 1157408, 1265915, 1446760, 2025464, 2531830, 2893520, 4050928, 5063660, 5787040, 8101856, 10127320, 20254640, 40509280]

約数ペア:

[(1, 40509280), (2, 20254640), (4, 10127320), (5, 8101856), (7, 5787040), (8, 5063660), (10, 4050928), (14, 2893520), (16, 2531830), (20, 2025464), (28, 1446760), (32, 1265915), (35, 1157408), (40, 1012732), (49, 826720), (56, 723380), (70, 578704), (80, 506366), (98, 413360), (112, 361690), (140, 289352), (160, 253183), (196, 206680), (224, 180845), (245, 165344), (280, 144676), (392, 103340), (490, 82672), (560, 72338), (784, 51670), (980, 41336), (1120, 36169), (1568, 25835), (1960, 20668), (3920, 10334), (5167, 7840)]