13270790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 27578880

約数和(自身を除く): 14308090

約数列:

[1, 2, 5, 10, 13, 26, 31, 37, 62, 65, 74, 89, 130, 155, 178, 185, 310, 370, 403, 445, 481, 806, 890, 962, 1147, 1157, 2015, 2294, 2314, 2405, 2759, 3293, 4030, 4810, 5518, 5735, 5785, 6586, 11470, 11570, 13795, 14911, 16465, 27590, 29822, 32930, 35867, 42809, 71734, 74555, 85618, 102083, 149110, 179335, 204166, 214045, 358670, 428090, 510415, 1020830, 1327079, 2654158, 6635395, 13270790]

約数ペア:

[(1, 13270790), (2, 6635395), (5, 2654158), (10, 1327079), (13, 1020830), (26, 510415), (31, 428090), (37, 358670), (62, 214045), (65, 204166), (74, 179335), (89, 149110), (130, 102083), (155, 85618), (178, 74555), (185, 71734), (310, 42809), (370, 35867), (403, 32930), (445, 29822), (481, 27590), (806, 16465), (890, 14911), (962, 13795), (1147, 11570), (1157, 11470), (2015, 6586), (2294, 5785), (2314, 5735), (2405, 5518), (2759, 4810), (3293, 4030)]