64512760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1279}}^1$

素因数の和:1400

約数の個数: 64

約数和(自身を含む): 158054400

約数和(自身を除く): 93541640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 776, 970, 1261, 1279, 1940, 2522, 2558, 3880, 5044, 5116, 6305, 6395, 10088, 10232, 12610, 12790, 16627, 25220, 25580, 33254, 50440, 51160, 66508, 83135, 124063, 133016, 166270, 248126, 332540, 496252, 620315, 665080, 992504, 1240630, 1612819, 2481260, 3225638, 4962520, 6451276, 8064095, 12902552, 16128190, 32256380, 64512760]

約数ペア:

[(1, 64512760), (2, 32256380), (4, 16128190), (5, 12902552), (8, 8064095), (10, 6451276), (13, 4962520), (20, 3225638), (26, 2481260), (40, 1612819), (52, 1240630), (65, 992504), (97, 665080), (104, 620315), (130, 496252), (194, 332540), (260, 248126), (388, 166270), (485, 133016), (520, 124063), (776, 83135), (970, 66508), (1261, 51160), (1279, 50440), (1940, 33254), (2522, 25580), (2558, 25220), (3880, 16627), (5044, 12790), (5116, 12610), (6305, 10232), (6395, 10088)]