64646780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9479}}^1$

素因数の和:9530

約数の個数: 48

約数和(自身を含む): 152893440

約数和(自身を除く): 88246660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 9479, 18958, 37916, 47395, 94790, 104269, 189580, 208538, 293849, 417076, 521345, 587698, 1042690, 1175396, 1469245, 2085380, 2938490, 3232339, 5876980, 6464678, 12929356, 16161695, 32323390, 64646780]

約数ペア:

[(1, 64646780), (2, 32323390), (4, 16161695), (5, 12929356), (10, 6464678), (11, 5876980), (20, 3232339), (22, 2938490), (31, 2085380), (44, 1469245), (55, 1175396), (62, 1042690), (110, 587698), (124, 521345), (155, 417076), (220, 293849), (310, 208538), (341, 189580), (620, 104269), (682, 94790), (1364, 47395), (1705, 37916), (3410, 18958), (6820, 9479)]