4140980

素因数分解:

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

素因数の和:6719

約数の個数: 24

約数和(自身を含む): 8977920

約数和(自身を除く): 4836940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 6679, 13358, 26716, 33395, 66790, 133580, 207049, 414098, 828196, 1035245, 2070490, 4140980]

約数ペア:

[(1, 4140980), (2, 2070490), (4, 1035245), (5, 828196), (10, 414098), (20, 207049), (31, 133580), (62, 66790), (124, 33395), (155, 26716), (310, 13358), (620, 6679)]