40163840

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:593

約数の個数: 80

約数和(自身を含む): 99803880

約数和(自身を除く): 59640040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 541, 580, 640, 928, 1082, 1160, 1280, 1856, 2164, 2320, 2560, 2705, 3712, 4328, 4640, 5410, 7424, 8656, 9280, 10820, 14848, 15689, 17312, 18560, 21640, 31378, 34624, 37120, 43280, 62756, 69248, 74240, 78445, 86560, 125512, 138496, 156890, 173120, 251024, 276992, 313780, 346240, 502048, 627560, 692480, 1004096, 1255120, 1384960, 2008192, 2510240, 4016384, 5020480, 8032768, 10040960, 20081920, 40163840]

約数ペア:

[(1, 40163840), (2, 20081920), (4, 10040960), (5, 8032768), (8, 5020480), (10, 4016384), (16, 2510240), (20, 2008192), (29, 1384960), (32, 1255120), (40, 1004096), (58, 692480), (64, 627560), (80, 502048), (116, 346240), (128, 313780), (145, 276992), (160, 251024), (232, 173120), (256, 156890), (290, 138496), (320, 125512), (464, 86560), (512, 78445), (541, 74240), (580, 69248), (640, 62756), (928, 43280), (1082, 37120), (1160, 34624), (1280, 31378), (1856, 21640), (2164, 18560), (2320, 17312), (2560, 15689), (2705, 14848), (3712, 10820), (4328, 9280), (4640, 8656), (5410, 7424)]