56450680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 152409600

約数和(自身を除く): 95958920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 71, 88, 104, 110, 130, 139, 142, 143, 220, 260, 278, 284, 286, 355, 440, 520, 556, 568, 572, 695, 710, 715, 781, 923, 1112, 1144, 1390, 1420, 1430, 1529, 1562, 1807, 1846, 2780, 2840, 2860, 3058, 3124, 3614, 3692, 3905, 4615, 5560, 5720, 6116, 6248, 7228, 7384, 7645, 7810, 9035, 9230, 9869, 10153, 12232, 14456, 15290, 15620, 18070, 18460, 19738, 19877, 20306, 30580, 31240, 36140, 36920, 39476, 39754, 40612, 49345, 50765, 61160, 72280, 78952, 79508, 81224, 98690, 99385, 101530, 108559, 128297, 159016, 197380, 198770, 203060, 217118, 256594, 394760, 397540, 406120, 434236, 513188, 542795, 641485, 795080, 868472, 1026376, 1085590, 1282970, 1411267, 2171180, 2565940, 2822534, 4342360, 5131880, 5645068, 7056335, 11290136, 14112670, 28225340, 56450680]

約数ペア:

[(1, 56450680), (2, 28225340), (4, 14112670), (5, 11290136), (8, 7056335), (10, 5645068), (11, 5131880), (13, 4342360), (20, 2822534), (22, 2565940), (26, 2171180), (40, 1411267), (44, 1282970), (52, 1085590), (55, 1026376), (65, 868472), (71, 795080), (88, 641485), (104, 542795), (110, 513188), (130, 434236), (139, 406120), (142, 397540), (143, 394760), (220, 256594), (260, 217118), (278, 203060), (284, 198770), (286, 197380), (355, 159016), (440, 128297), (520, 108559), (556, 101530), (568, 99385), (572, 98690), (695, 81224), (710, 79508), (715, 78952), (781, 72280), (923, 61160), (1112, 50765), (1144, 49345), (1390, 40612), (1420, 39754), (1430, 39476), (1529, 36920), (1562, 36140), (1807, 31240), (1846, 30580), (2780, 20306), (2840, 19877), (2860, 19738), (3058, 18460), (3124, 18070), (3614, 15620), (3692, 15290), (3905, 14456), (4615, 12232), (5560, 10153), (5720, 9869), (6116, 9230), (6248, 9035), (7228, 7810), (7384, 7645)]