68806400

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:866

約数の個数: 108

約数和(自身を含む): 183628872

約数和(自身を除く): 114822472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 520, 640, 650, 800, 827, 832, 1040, 1280, 1300, 1600, 1654, 1664, 2080, 2600, 3200, 3308, 3328, 4135, 4160, 5200, 6400, 6616, 8270, 8320, 10400, 10751, 13232, 16540, 16640, 20675, 20800, 21502, 26464, 33080, 41350, 41600, 43004, 52928, 53755, 66160, 82700, 83200, 86008, 105856, 107510, 132320, 165400, 172016, 211712, 215020, 264640, 268775, 330800, 344032, 430040, 529280, 537550, 661600, 688064, 860080, 1058560, 1075100, 1323200, 1376128, 1720160, 2150200, 2646400, 2752256, 3440320, 4300400, 5292800, 6880640, 8600800, 13761280, 17201600, 34403200, 68806400]

約数ペア:

[(1, 68806400), (2, 34403200), (4, 17201600), (5, 13761280), (8, 8600800), (10, 6880640), (13, 5292800), (16, 4300400), (20, 3440320), (25, 2752256), (26, 2646400), (32, 2150200), (40, 1720160), (50, 1376128), (52, 1323200), (64, 1075100), (65, 1058560), (80, 860080), (100, 688064), (104, 661600), (128, 537550), (130, 529280), (160, 430040), (200, 344032), (208, 330800), (256, 268775), (260, 264640), (320, 215020), (325, 211712), (400, 172016), (416, 165400), (520, 132320), (640, 107510), (650, 105856), (800, 86008), (827, 83200), (832, 82700), (1040, 66160), (1280, 53755), (1300, 52928), (1600, 43004), (1654, 41600), (1664, 41350), (2080, 33080), (2600, 26464), (3200, 21502), (3308, 20800), (3328, 20675), (4135, 16640), (4160, 16540), (5200, 13232), (6400, 10751), (6616, 10400), (8270, 8320)]