66467440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:914

約数の個数: 80

約数和(自身を含む): 168739200

約数和(自身を除く): 102271760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 632, 790, 809, 1027, 1040, 1264, 1580, 1618, 2054, 3160, 3236, 4045, 4108, 5135, 6320, 6472, 8090, 8216, 10270, 10517, 12944, 16180, 16432, 20540, 21034, 32360, 41080, 42068, 52585, 63911, 64720, 82160, 84136, 105170, 127822, 168272, 210340, 255644, 319555, 420680, 511288, 639110, 830843, 841360, 1022576, 1278220, 1661686, 2556440, 3323372, 4154215, 5112880, 6646744, 8308430, 13293488, 16616860, 33233720, 66467440]

約数ペア:

[(1, 66467440), (2, 33233720), (4, 16616860), (5, 13293488), (8, 8308430), (10, 6646744), (13, 5112880), (16, 4154215), (20, 3323372), (26, 2556440), (40, 1661686), (52, 1278220), (65, 1022576), (79, 841360), (80, 830843), (104, 639110), (130, 511288), (158, 420680), (208, 319555), (260, 255644), (316, 210340), (395, 168272), (520, 127822), (632, 105170), (790, 84136), (809, 82160), (1027, 64720), (1040, 63911), (1264, 52585), (1580, 42068), (1618, 41080), (2054, 32360), (3160, 21034), (3236, 20540), (4045, 16432), (4108, 16180), (5135, 12944), (6320, 10517), (6472, 10270), (8090, 8216)]