2012564720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1\times {\mathrm{2521}}^1$

素因数の和:3138

約数の個数: 80

約数和(自身を含む): 4964869728

約数和(自身を除く): 2952305008

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 587, 680, 1174, 1360, 2348, 2521, 2935, 4696, 5042, 5870, 9392, 9979, 10084, 11740, 12605, 19958, 20168, 23480, 25210, 39916, 40336, 42857, 46960, 49895, 50420, 79832, 85714, 99790, 100840, 159664, 171428, 199580, 201680, 214285, 342856, 399160, 428570, 685712, 798320, 857140, 1479827, 1714280, 2959654, 3428560, 5919308, 7399135, 11838616, 14798270, 23677232, 25157059, 29596540, 50314118, 59193080, 100628236, 118386160, 125785295, 201256472, 251570590, 402512944, 503141180, 1006282360, 2012564720]

約数ペア:

[(1, 2012564720), (2, 1006282360), (4, 503141180), (5, 402512944), (8, 251570590), (10, 201256472), (16, 125785295), (17, 118386160), (20, 100628236), (34, 59193080), (40, 50314118), (68, 29596540), (80, 25157059), (85, 23677232), (136, 14798270), (170, 11838616), (272, 7399135), (340, 5919308), (587, 3428560), (680, 2959654), (1174, 1714280), (1360, 1479827), (2348, 857140), (2521, 798320), (2935, 685712), (4696, 428570), (5042, 399160), (5870, 342856), (9392, 214285), (9979, 201680), (10084, 199580), (11740, 171428), (12605, 159664), (19958, 100840), (20168, 99790), (23480, 85714), (25210, 79832), (39916, 50420), (40336, 49895), (42857, 46960)]