64391000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{3389}}^1$

素因数の和:3429

約数の個数: 64

約数和(自身を含む): 158652000

約数和(自身を除く): 94261000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1900, 2375, 3389, 3800, 4750, 6778, 9500, 13556, 16945, 19000, 27112, 33890, 64391, 67780, 84725, 128782, 135560, 169450, 257564, 321955, 338900, 423625, 515128, 643910, 677800, 847250, 1287820, 1609775, 1694500, 2575640, 3219550, 3389000, 6439100, 8048875, 12878200, 16097750, 32195500, 64391000]

約数ペア:

[(1, 64391000), (2, 32195500), (4, 16097750), (5, 12878200), (8, 8048875), (10, 6439100), (19, 3389000), (20, 3219550), (25, 2575640), (38, 1694500), (40, 1609775), (50, 1287820), (76, 847250), (95, 677800), (100, 643910), (125, 515128), (152, 423625), (190, 338900), (200, 321955), (250, 257564), (380, 169450), (475, 135560), (500, 128782), (760, 84725), (950, 67780), (1000, 64391), (1900, 33890), (2375, 27112), (3389, 19000), (3800, 16945), (4750, 13556), (6778, 9500)]