2019932720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{62653}}^1$

素因数の和:62710

約数の個数: 80

約数和(自身を含む): 5220832512

約数和(自身を除く): 3200899792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 62653, 125306, 250612, 313265, 501224, 626530, 814489, 1002448, 1253060, 1628978, 1942243, 2506120, 3257956, 3884486, 4072445, 5012240, 6515912, 7768972, 8144890, 9711215, 13031824, 15537944, 16289780, 19422430, 25249159, 31075888, 32579560, 38844860, 50498318, 65159120, 77689720, 100996636, 126245795, 155379440, 201993272, 252491590, 403986544, 504983180, 1009966360, 2019932720]

約数ペア:

[(1, 2019932720), (2, 1009966360), (4, 504983180), (5, 403986544), (8, 252491590), (10, 201993272), (13, 155379440), (16, 126245795), (20, 100996636), (26, 77689720), (31, 65159120), (40, 50498318), (52, 38844860), (62, 32579560), (65, 31075888), (80, 25249159), (104, 19422430), (124, 16289780), (130, 15537944), (155, 13031824), (208, 9711215), (248, 8144890), (260, 7768972), (310, 6515912), (403, 5012240), (496, 4072445), (520, 3884486), (620, 3257956), (806, 2506120), (1040, 1942243), (1240, 1628978), (1612, 1253060), (2015, 1002448), (2480, 814489), (3224, 626530), (4030, 501224), (6448, 313265), (8060, 250612), (16120, 125306), (32240, 62653)]