40231490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 82252800

約数和(自身を除く): 42021310

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 67, 130, 134, 149, 155, 298, 310, 335, 403, 670, 745, 806, 871, 1490, 1742, 1937, 2015, 2077, 3874, 4030, 4154, 4355, 4619, 8710, 9238, 9685, 9983, 10385, 19370, 19966, 20770, 23095, 27001, 46190, 49915, 54002, 60047, 99830, 120094, 129779, 135005, 259558, 270010, 300235, 309473, 600470, 618946, 648895, 1297790, 1547365, 3094730, 4023149, 8046298, 20115745, 40231490]

約数ペア:

[(1, 40231490), (2, 20115745), (5, 8046298), (10, 4023149), (13, 3094730), (26, 1547365), (31, 1297790), (62, 648895), (65, 618946), (67, 600470), (130, 309473), (134, 300235), (149, 270010), (155, 259558), (298, 135005), (310, 129779), (335, 120094), (403, 99830), (670, 60047), (745, 54002), (806, 49915), (871, 46190), (1490, 27001), (1742, 23095), (1937, 20770), (2015, 19966), (2077, 19370), (3874, 10385), (4030, 9983), (4154, 9685), (4355, 9238), (4619, 8710)]