80023840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:594

約数の個数: 96

約数和(自身を含む): 206599680

約数和(自身を除く): 126575840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 79, 80, 104, 130, 158, 160, 208, 260, 316, 395, 416, 487, 520, 632, 790, 974, 1027, 1040, 1264, 1580, 1948, 2054, 2080, 2435, 2528, 3160, 3896, 4108, 4870, 5135, 6320, 6331, 7792, 8216, 9740, 10270, 12640, 12662, 15584, 16432, 19480, 20540, 25324, 31655, 32864, 38473, 38960, 41080, 50648, 63310, 76946, 77920, 82160, 101296, 126620, 153892, 164320, 192365, 202592, 253240, 307784, 384730, 500149, 506480, 615568, 769460, 1000298, 1012960, 1231136, 1538920, 2000596, 2500745, 3077840, 4001192, 5001490, 6155680, 8002384, 10002980, 16004768, 20005960, 40011920, 80023840]

約数ペア:

[(1, 80023840), (2, 40011920), (4, 20005960), (5, 16004768), (8, 10002980), (10, 8002384), (13, 6155680), (16, 5001490), (20, 4001192), (26, 3077840), (32, 2500745), (40, 2000596), (52, 1538920), (65, 1231136), (79, 1012960), (80, 1000298), (104, 769460), (130, 615568), (158, 506480), (160, 500149), (208, 384730), (260, 307784), (316, 253240), (395, 202592), (416, 192365), (487, 164320), (520, 153892), (632, 126620), (790, 101296), (974, 82160), (1027, 77920), (1040, 76946), (1264, 63310), (1580, 50648), (1948, 41080), (2054, 38960), (2080, 38473), (2435, 32864), (2528, 31655), (3160, 25324), (3896, 20540), (4108, 19480), (4870, 16432), (5135, 15584), (6320, 12662), (6331, 12640), (7792, 10270), (8216, 9740)]