8281960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6679}}^1$

素因数の和:6721

約数の個数: 32

約数和(自身を含む): 19238400

約数和(自身を除く): 10956440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 6679, 13358, 26716, 33395, 53432, 66790, 133580, 207049, 267160, 414098, 828196, 1035245, 1656392, 2070490, 4140980, 8281960]

約数ペア:

[(1, 8281960), (2, 4140980), (4, 2070490), (5, 1656392), (8, 1035245), (10, 828196), (20, 414098), (31, 267160), (40, 207049), (62, 133580), (124, 66790), (155, 53432), (248, 33395), (310, 26716), (620, 13358), (1240, 6679)]