2019652520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{520529}}^1$

素因数の和:520637

約数の個数: 32

約数和(自身を含む): 4591074600

約数和(自身を除く): 2571422080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 520529, 1041058, 2082116, 2602645, 4164232, 5205290, 10410580, 20821160, 50491313, 100982626, 201965252, 252456565, 403930504, 504913130, 1009826260, 2019652520]

約数ペア:

[(1, 2019652520), (2, 1009826260), (4, 504913130), (5, 403930504), (8, 252456565), (10, 201965252), (20, 100982626), (40, 50491313), (97, 20821160), (194, 10410580), (388, 5205290), (485, 4164232), (776, 2602645), (970, 2082116), (1940, 1041058), (3880, 520529)]