40728320

素因数分解:

$2^8\times 5^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 99779904

約数和(自身を除く): 59051584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 640, 677, 752, 940, 1280, 1354, 1504, 1880, 2708, 3008, 3385, 3760, 5416, 6016, 6770, 7520, 10832, 12032, 13540, 15040, 21664, 27080, 30080, 31819, 43328, 54160, 60160, 63638, 86656, 108320, 127276, 159095, 173312, 216640, 254552, 318190, 433280, 509104, 636380, 866560, 1018208, 1272760, 2036416, 2545520, 4072832, 5091040, 8145664, 10182080, 20364160, 40728320]

約数ペア:

[(1, 40728320), (2, 20364160), (4, 10182080), (5, 8145664), (8, 5091040), (10, 4072832), (16, 2545520), (20, 2036416), (32, 1272760), (40, 1018208), (47, 866560), (64, 636380), (80, 509104), (94, 433280), (128, 318190), (160, 254552), (188, 216640), (235, 173312), (256, 159095), (320, 127276), (376, 108320), (470, 86656), (640, 63638), (677, 60160), (752, 54160), (940, 43328), (1280, 31819), (1354, 30080), (1504, 27080), (1880, 21664), (2708, 15040), (3008, 13540), (3385, 12032), (3760, 10832), (5416, 7520), (6016, 6770)]