7866040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2161}}^1$

素因数の和:2192

約数の個数: 64

約数和(自身を含む): 21792960

約数和(自身を除く): 13926920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 2161, 3640, 4322, 8644, 10805, 15127, 17288, 21610, 28093, 30254, 43220, 56186, 60508, 75635, 86440, 112372, 121016, 140465, 151270, 196651, 224744, 280930, 302540, 393302, 561860, 605080, 786604, 983255, 1123720, 1573208, 1966510, 3933020, 7866040]

約数ペア:

[(1, 7866040), (2, 3933020), (4, 1966510), (5, 1573208), (7, 1123720), (8, 983255), (10, 786604), (13, 605080), (14, 561860), (20, 393302), (26, 302540), (28, 280930), (35, 224744), (40, 196651), (52, 151270), (56, 140465), (65, 121016), (70, 112372), (91, 86440), (104, 75635), (130, 60508), (140, 56186), (182, 43220), (260, 30254), (280, 28093), (364, 21610), (455, 17288), (520, 15127), (728, 10805), (910, 8644), (1820, 4322), (2161, 3640)]