1916944640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{115201}}^1$

素因数の和:115235

約数の個数: 72

約数和(自身を含む): 4944930648

約数和(自身を除く): 3027986008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320, 16640, 115201, 230402, 460804, 576005, 921608, 1152010, 1497613, 1843216, 2304020, 2995226, 3686432, 4608040, 5990452, 7372864, 7488065, 9216080, 11980904, 14745728, 14976130, 18432160, 23961808, 29491456, 29952260, 36864320, 47923616, 59904520, 73728640, 95847232, 119809040, 147457280, 191694464, 239618080, 383388928, 479236160, 958472320, 1916944640]

約数ペア:

[(1, 1916944640), (2, 958472320), (4, 479236160), (5, 383388928), (8, 239618080), (10, 191694464), (13, 147457280), (16, 119809040), (20, 95847232), (26, 73728640), (32, 59904520), (40, 47923616), (52, 36864320), (64, 29952260), (65, 29491456), (80, 23961808), (104, 18432160), (128, 14976130), (130, 14745728), (160, 11980904), (208, 9216080), (256, 7488065), (260, 7372864), (320, 5990452), (416, 4608040), (520, 3686432), (640, 2995226), (832, 2304020), (1040, 1843216), (1280, 1497613), (1664, 1152010), (2080, 921608), (3328, 576005), (4160, 460804), (8320, 230402), (16640, 115201)]