626753660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{77761}}^1$

素因数の和:77814

約数の個数: 48

約数和(自身を含む): 1463169792

約数和(自身を除く): 836416132

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, 77761, 155522, 311044, 388805, 777610, 1010893, 1555220, 2021786, 2410591, 4043572, 4821182, 5054465, 9642364, 10108930, 12052955, 20217860, 24105910, 31337683, 48211820, 62675366, 125350732, 156688415, 313376830, 626753660]

約数ペア:

[(1, 626753660), (2, 313376830), (4, 156688415), (5, 125350732), (10, 62675366), (13, 48211820), (20, 31337683), (26, 24105910), (31, 20217860), (52, 12052955), (62, 10108930), (65, 9642364), (124, 5054465), (130, 4821182), (155, 4043572), (260, 2410591), (310, 2021786), (403, 1555220), (620, 1010893), (806, 777610), (1612, 388805), (2015, 311044), (4030, 155522), (8060, 77761)]