4812080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:694

約数の個数: 80

約数和(自身を含む): 13790784

約数和(自身を除く): 8978704

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 661, 728, 910, 1040, 1322, 1456, 1820, 2644, 3305, 3640, 4627, 5288, 6610, 7280, 8593, 9254, 10576, 13220, 17186, 18508, 23135, 26440, 34372, 37016, 42965, 46270, 52880, 60151, 68744, 74032, 85930, 92540, 120302, 137488, 171860, 185080, 240604, 300755, 343720, 370160, 481208, 601510, 687440, 962416, 1203020, 2406040, 4812080]

約数ペア:

[(1, 4812080), (2, 2406040), (4, 1203020), (5, 962416), (7, 687440), (8, 601510), (10, 481208), (13, 370160), (14, 343720), (16, 300755), (20, 240604), (26, 185080), (28, 171860), (35, 137488), (40, 120302), (52, 92540), (56, 85930), (65, 74032), (70, 68744), (80, 60151), (91, 52880), (104, 46270), (112, 42965), (130, 37016), (140, 34372), (182, 26440), (208, 23135), (260, 18508), (280, 17186), (364, 13220), (455, 10576), (520, 9254), (560, 8593), (661, 7280), (728, 6610), (910, 5288), (1040, 4627), (1322, 3640), (1456, 3305), (1820, 2644)]