13585866625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:899

約数の個数: 64

約数和(自身を含む): 18387323136

約数和(自身を除く): 4801456511

約数列:

[1, 5, 17, 25, 61, 85, 125, 163, 305, 425, 643, 815, 1037, 1525, 2125, 2771, 3215, 4075, 5185, 7625, 9943, 10931, 13855, 16075, 20375, 25925, 39223, 49715, 54655, 69275, 80375, 104809, 129625, 169031, 196115, 248575, 273275, 346375, 524045, 666791, 845155, 980575, 1242875, 1366375, 1781753, 2620225, 3333955, 4225775, 4902875, 6393349, 8908765, 13101125, 16669775, 21128875, 31966745, 44543825, 83348875, 108686933, 159833725, 222719125, 543434665, 799168625, 2717173325, 13585866625]

約数ペア:

[(1, 13585866625), (5, 2717173325), (17, 799168625), (25, 543434665), (61, 222719125), (85, 159833725), (125, 108686933), (163, 83348875), (305, 44543825), (425, 31966745), (643, 21128875), (815, 16669775), (1037, 13101125), (1525, 8908765), (2125, 6393349), (2771, 4902875), (3215, 4225775), (4075, 3333955), (5185, 2620225), (7625, 1781753), (9943, 1366375), (10931, 1242875), (13855, 980575), (16075, 845155), (20375, 666791), (25925, 524045), (39223, 346375), (49715, 273275), (54655, 248575), (69275, 196115), (80375, 169031), (104809, 129625)]