20125576480

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{53231}}^1$

素因数の和:53402

約数の個数: 96

約数和(自身を含む): 50706673920

約数和(自身を除く): 30581097440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 139, 160, 170, 272, 278, 340, 544, 556, 680, 695, 1112, 1360, 1390, 2224, 2363, 2720, 2780, 4448, 4726, 5560, 9452, 11120, 11815, 18904, 22240, 23630, 37808, 47260, 53231, 75616, 94520, 106462, 189040, 212924, 266155, 378080, 425848, 532310, 851696, 904927, 1064620, 1703392, 1809854, 2129240, 3619708, 4258480, 4524635, 7239416, 7399109, 8516960, 9049270, 14478832, 14798218, 18098540, 28957664, 29596436, 36197080, 36995545, 59192872, 72394160, 73991090, 118385744, 125784853, 144788320, 147982180, 236771488, 251569706, 295964360, 503139412, 591928720, 628924265, 1006278824, 1183857440, 1257848530, 2012557648, 2515697060, 4025115296, 5031394120, 10062788240, 20125576480]

約数ペア:

[(1, 20125576480), (2, 10062788240), (4, 5031394120), (5, 4025115296), (8, 2515697060), (10, 2012557648), (16, 1257848530), (17, 1183857440), (20, 1006278824), (32, 628924265), (34, 591928720), (40, 503139412), (68, 295964360), (80, 251569706), (85, 236771488), (136, 147982180), (139, 144788320), (160, 125784853), (170, 118385744), (272, 73991090), (278, 72394160), (340, 59192872), (544, 36995545), (556, 36197080), (680, 29596436), (695, 28957664), (1112, 18098540), (1360, 14798218), (1390, 14478832), (2224, 9049270), (2363, 8516960), (2720, 7399109), (2780, 7239416), (4448, 4524635), (4726, 4258480), (5560, 3619708), (9452, 2129240), (11120, 1809854), (11815, 1703392), (18904, 1064620), (22240, 904927), (23630, 851696), (37808, 532310), (47260, 425848), (53231, 378080), (75616, 266155), (94520, 212924), (106462, 189040)]