77917040

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7669}}^1$

素因数の和:7809

約数の個数: 40

約数和(自身を含む): 182607360

約数和(自身を除く): 104690320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 7669, 10160, 15338, 30676, 38345, 61352, 76690, 122704, 153380, 306760, 613520, 973963, 1947926, 3895852, 4869815, 7791704, 9739630, 15583408, 19479260, 38958520, 77917040]

約数ペア:

[(1, 77917040), (2, 38958520), (4, 19479260), (5, 15583408), (8, 9739630), (10, 7791704), (16, 4869815), (20, 3895852), (40, 1947926), (80, 973963), (127, 613520), (254, 306760), (508, 153380), (635, 122704), (1016, 76690), (1270, 61352), (2032, 38345), (2540, 30676), (5080, 15338), (7669, 10160)]