8631040

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{613}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 22590288

約数和(自身を除く): 13959248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 613, 640, 704, 880, 1226, 1280, 1408, 1760, 2452, 2816, 3065, 3520, 4904, 6130, 6743, 7040, 9808, 12260, 13486, 14080, 19616, 24520, 26972, 33715, 39232, 49040, 53944, 67430, 78464, 98080, 107888, 134860, 156928, 196160, 215776, 269720, 392320, 431552, 539440, 784640, 863104, 1078880, 1726208, 2157760, 4315520, 8631040]

約数ペア:

[(1, 8631040), (2, 4315520), (4, 2157760), (5, 1726208), (8, 1078880), (10, 863104), (11, 784640), (16, 539440), (20, 431552), (22, 392320), (32, 269720), (40, 215776), (44, 196160), (55, 156928), (64, 134860), (80, 107888), (88, 98080), (110, 78464), (128, 67430), (160, 53944), (176, 49040), (220, 39232), (256, 33715), (320, 26972), (352, 24520), (440, 19616), (613, 14080), (640, 13486), (704, 12260), (880, 9808), (1226, 7040), (1280, 6743), (1408, 6130), (1760, 4904), (2452, 3520), (2816, 3065)]