39747890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1467

約数の個数: 64

約数和(自身を含む): 90961920

約数和(自身を除く): 51214030

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 1409, 2015, 2170, 2818, 2821, 4030, 5642, 7045, 9863, 14090, 14105, 18317, 19726, 28210, 36634, 43679, 49315, 87358, 91585, 98630, 128219, 183170, 218395, 256438, 305753, 436790, 567827, 611506, 641095, 1135654, 1282190, 1528765, 2839135, 3057530, 3974789, 5678270, 7949578, 19873945, 39747890]

約数ペア:

[(1, 39747890), (2, 19873945), (5, 7949578), (7, 5678270), (10, 3974789), (13, 3057530), (14, 2839135), (26, 1528765), (31, 1282190), (35, 1135654), (62, 641095), (65, 611506), (70, 567827), (91, 436790), (130, 305753), (155, 256438), (182, 218395), (217, 183170), (310, 128219), (403, 98630), (434, 91585), (455, 87358), (806, 49315), (910, 43679), (1085, 36634), (1409, 28210), (2015, 19726), (2170, 18317), (2818, 14105), (2821, 14090), (4030, 9863), (5642, 7045)]