8261289880

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{11213}}^1$

素因数の和:11500

約数の個数: 64

約数和(自身を含む): 18869124960

約数和(自身を除く): 10607835080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 163, 226, 326, 452, 565, 652, 815, 904, 1130, 1304, 1630, 2260, 3260, 4520, 6520, 11213, 18419, 22426, 36838, 44852, 56065, 73676, 89704, 92095, 112130, 147352, 184190, 224260, 368380, 448520, 736760, 1267069, 1827719, 2534138, 3655438, 5068276, 6335345, 7310876, 9138595, 10136552, 12670690, 14621752, 18277190, 25341380, 36554380, 50682760, 73108760, 206532247, 413064494, 826128988, 1032661235, 1652257976, 2065322470, 4130644940, 8261289880]

約数ペア:

[(1, 8261289880), (2, 4130644940), (4, 2065322470), (5, 1652257976), (8, 1032661235), (10, 826128988), (20, 413064494), (40, 206532247), (113, 73108760), (163, 50682760), (226, 36554380), (326, 25341380), (452, 18277190), (565, 14621752), (652, 12670690), (815, 10136552), (904, 9138595), (1130, 7310876), (1304, 6335345), (1630, 5068276), (2260, 3655438), (3260, 2534138), (4520, 1827719), (6520, 1267069), (11213, 736760), (18419, 448520), (22426, 368380), (36838, 224260), (44852, 184190), (56065, 147352), (73676, 112130), (89704, 92095)]