19716705280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{727}}^1\times {\mathrm{5297}}^1$

素因数の和:6049

約数の個数: 88

約数和(自身を含む): 47370986208

約数和(自身を除く): 27654280928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 727, 1024, 1280, 1454, 2560, 2908, 3635, 5120, 5297, 5816, 7270, 10594, 11632, 14540, 21188, 23264, 26485, 29080, 42376, 46528, 52970, 58160, 84752, 93056, 105940, 116320, 169504, 186112, 211880, 232640, 339008, 372224, 423760, 465280, 678016, 744448, 847520, 930560, 1356032, 1695040, 1861120, 2712064, 3390080, 3722240, 3850919, 5424128, 6780160, 7701838, 13560320, 15403676, 19254595, 27120640, 30807352, 38509190, 61614704, 77018380, 123229408, 154036760, 246458816, 308073520, 492917632, 616147040, 985835264, 1232294080, 1971670528, 2464588160, 3943341056, 4929176320, 9858352640, 19716705280]

約数ペア:

[(1, 19716705280), (2, 9858352640), (4, 4929176320), (5, 3943341056), (8, 2464588160), (10, 1971670528), (16, 1232294080), (20, 985835264), (32, 616147040), (40, 492917632), (64, 308073520), (80, 246458816), (128, 154036760), (160, 123229408), (256, 77018380), (320, 61614704), (512, 38509190), (640, 30807352), (727, 27120640), (1024, 19254595), (1280, 15403676), (1454, 13560320), (2560, 7701838), (2908, 6780160), (3635, 5424128), (5120, 3850919), (5297, 3722240), (5816, 3390080), (7270, 2712064), (10594, 1861120), (11632, 1695040), (14540, 1356032), (21188, 930560), (23264, 847520), (26485, 744448), (29080, 678016), (42376, 465280), (46528, 423760), (52970, 372224), (58160, 339008), (84752, 232640), (93056, 211880), (105940, 186112), (116320, 169504)]