507615440

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{12923}}^1$

素因数の和:13427

約数の個数: 40

約数和(自身を含む): 1182701088

約数和(自身を除く): 675085648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3928, 4910, 7856, 9820, 12923, 19640, 25846, 39280, 51692, 64615, 103384, 129230, 206768, 258460, 516920, 1033840, 6345193, 12690386, 25380772, 31725965, 50761544, 63451930, 101523088, 126903860, 253807720, 507615440]

約数ペア:

[(1, 507615440), (2, 253807720), (4, 126903860), (5, 101523088), (8, 63451930), (10, 50761544), (16, 31725965), (20, 25380772), (40, 12690386), (80, 6345193), (491, 1033840), (982, 516920), (1964, 258460), (2455, 206768), (3928, 129230), (4910, 103384), (7856, 64615), (9820, 51692), (12923, 39280), (19640, 25846)]