77604280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149239}}^1$

素因数の和:149263

約数の個数: 32

約数和(自身を含む): 188042400

約数和(自身を除く): 110438120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 149239, 298478, 596956, 746195, 1193912, 1492390, 1940107, 2984780, 3880214, 5969560, 7760428, 9700535, 15520856, 19401070, 38802140, 77604280]

約数ペア:

[(1, 77604280), (2, 38802140), (4, 19401070), (5, 15520856), (8, 9700535), (10, 7760428), (13, 5969560), (20, 3880214), (26, 2984780), (40, 1940107), (52, 1492390), (65, 1193912), (104, 746195), (130, 596956), (260, 298478), (520, 149239)]