2051855590

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1\times {\mathrm{6679}}^1$

素因数の和:7708

約数の個数: 32

約数和(自身を含む): 3816898560

約数和(自身を除く): 1765042970

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 991, 1982, 4955, 6679, 9910, 13358, 30721, 33395, 61442, 66790, 153605, 207049, 307210, 414098, 1035245, 2070490, 6618889, 13237778, 33094445, 66188890, 205185559, 410371118, 1025927795, 2051855590]

約数ペア:

[(1, 2051855590), (2, 1025927795), (5, 410371118), (10, 205185559), (31, 66188890), (62, 33094445), (155, 13237778), (310, 6618889), (991, 2070490), (1982, 1035245), (4955, 414098), (6679, 307210), (9910, 207049), (13358, 153605), (30721, 66790), (33395, 61442)]