64452560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{42403}}^1$

素因数の和:42435

約数の個数: 40

約数和(自身を含む): 157742880

約数和(自身を除く): 93290320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 42403, 84806, 169612, 212015, 339224, 424030, 678448, 805657, 848060, 1611314, 1696120, 3222628, 3392240, 4028285, 6445256, 8056570, 12890512, 16113140, 32226280, 64452560]

約数ペア:

[(1, 64452560), (2, 32226280), (4, 16113140), (5, 12890512), (8, 8056570), (10, 6445256), (16, 4028285), (19, 3392240), (20, 3222628), (38, 1696120), (40, 1611314), (76, 848060), (80, 805657), (95, 678448), (152, 424030), (190, 339224), (304, 212015), (380, 169612), (760, 84806), (1520, 42403)]