87158560

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3919}}^1$

素因数の和:4073

約数の個数: 48

約数和(自身を含む): 207446400

約数和(自身を除く): 120287840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 3919, 4448, 5560, 7838, 11120, 15676, 19595, 22240, 31352, 39190, 62704, 78380, 125408, 156760, 313520, 544741, 627040, 1089482, 2178964, 2723705, 4357928, 5447410, 8715856, 10894820, 17431712, 21789640, 43579280, 87158560]

約数ペア:

[(1, 87158560), (2, 43579280), (4, 21789640), (5, 17431712), (8, 10894820), (10, 8715856), (16, 5447410), (20, 4357928), (32, 2723705), (40, 2178964), (80, 1089482), (139, 627040), (160, 544741), (278, 313520), (556, 156760), (695, 125408), (1112, 78380), (1390, 62704), (2224, 39190), (2780, 31352), (3919, 22240), (4448, 19595), (5560, 15676), (7838, 11120)]