66826640

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15761}}^1$

素因数の和:15827

約数の個数: 40

約数和(自身を含む): 158313528

約数和(自身を除く): 91486888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 15761, 31522, 63044, 78805, 126088, 157610, 252176, 315220, 630440, 835333, 1260880, 1670666, 3341332, 4176665, 6682664, 8353330, 13365328, 16706660, 33413320, 66826640]

約数ペア:

[(1, 66826640), (2, 33413320), (4, 16706660), (5, 13365328), (8, 8353330), (10, 6682664), (16, 4176665), (20, 3341332), (40, 1670666), (53, 1260880), (80, 835333), (106, 630440), (212, 315220), (265, 252176), (424, 157610), (530, 126088), (848, 78805), (1060, 63044), (2120, 31522), (4240, 15761)]