9810580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 22473360

約数和(自身を除く): 12662780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 389, 485, 778, 970, 1261, 1556, 1940, 1945, 2522, 3890, 5044, 5057, 6305, 7780, 10114, 12610, 20228, 25220, 25285, 37733, 50570, 75466, 101140, 150932, 188665, 377330, 490529, 754660, 981058, 1962116, 2452645, 4905290, 9810580]

約数ペア:

[(1, 9810580), (2, 4905290), (4, 2452645), (5, 1962116), (10, 981058), (13, 754660), (20, 490529), (26, 377330), (52, 188665), (65, 150932), (97, 101140), (130, 75466), (194, 50570), (260, 37733), (388, 25285), (389, 25220), (485, 20228), (778, 12610), (970, 10114), (1261, 7780), (1556, 6305), (1940, 5057), (1945, 5044), (2522, 3890)]