327731120

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{32257}}^1$

素因数の和:32397

約数の個数: 40

約数和(自身を含む): 767998464

約数和(自身を除く): 440267344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 32257, 64514, 129028, 161285, 258056, 322570, 516112, 645140, 1290280, 2580560, 4096639, 8193278, 16386556, 20483195, 32773112, 40966390, 65546224, 81932780, 163865560, 327731120]

約数ペア:

[(1, 327731120), (2, 163865560), (4, 81932780), (5, 65546224), (8, 40966390), (10, 32773112), (16, 20483195), (20, 16386556), (40, 8193278), (80, 4096639), (127, 2580560), (254, 1290280), (508, 645140), (635, 516112), (1016, 322570), (1270, 258056), (2032, 161285), (2540, 129028), (5080, 64514), (10160, 32257)]