83870800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^2$

素因数の和:285

約数の個数: 90

約数和(自身を含む): 218721678

約数和(自身を除く): 134850878

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 127, 130, 200, 208, 254, 260, 325, 400, 508, 520, 635, 650, 1016, 1040, 1270, 1300, 1651, 2032, 2540, 2600, 3175, 3302, 5080, 5200, 6350, 6604, 8255, 10160, 12700, 13208, 16129, 16510, 25400, 26416, 32258, 33020, 41275, 50800, 64516, 66040, 80645, 82550, 129032, 132080, 161290, 165100, 209677, 258064, 322580, 330200, 403225, 419354, 645160, 660400, 806450, 838708, 1048385, 1290320, 1612900, 1677416, 2096770, 3225800, 3354832, 4193540, 5241925, 6451600, 8387080, 10483850, 16774160, 20967700, 41935400, 83870800]

約数ペア:

[(1, 83870800), (2, 41935400), (4, 20967700), (5, 16774160), (8, 10483850), (10, 8387080), (13, 6451600), (16, 5241925), (20, 4193540), (25, 3354832), (26, 3225800), (40, 2096770), (50, 1677416), (52, 1612900), (65, 1290320), (80, 1048385), (100, 838708), (104, 806450), (127, 660400), (130, 645160), (200, 419354), (208, 403225), (254, 330200), (260, 322580), (325, 258064), (400, 209677), (508, 165100), (520, 161290), (635, 132080), (650, 129032), (1016, 82550), (1040, 80645), (1270, 66040), (1300, 64516), (1651, 50800), (2032, 41275), (2540, 33020), (2600, 32258), (3175, 26416), (3302, 25400), (5080, 16510), (5200, 16129), (6350, 13208), (6604, 12700), (8255, 10160)]