15695971460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1947391}}^1$

素因数の和:1947444

約数の個数: 48

約数和(自身を含む): 36642127872

約数和(自身を除く): 20946156412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 1947391, 3894782, 7789564, 9736955, 19473910, 25316083, 38947820, 50632166, 60369121, 101264332, 120738242, 126580415, 241476484, 253160830, 301845605, 506321660, 603691210, 784798573, 1207382420, 1569597146, 3139194292, 3923992865, 7847985730, 15695971460]

約数ペア:

[(1, 15695971460), (2, 7847985730), (4, 3923992865), (5, 3139194292), (10, 1569597146), (13, 1207382420), (20, 784798573), (26, 603691210), (31, 506321660), (52, 301845605), (62, 253160830), (65, 241476484), (124, 126580415), (130, 120738242), (155, 101264332), (260, 60369121), (310, 50632166), (403, 38947820), (620, 25316083), (806, 19473910), (1612, 9736955), (2015, 7789564), (4030, 3894782), (8060, 1947391)]