125431720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 290926080

約数和(自身を除く): 165494360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 137, 188, 235, 274, 376, 470, 487, 548, 685, 940, 974, 1096, 1370, 1880, 1948, 2435, 2740, 3896, 4870, 5480, 6439, 9740, 12878, 19480, 22889, 25756, 32195, 45778, 51512, 64390, 66719, 91556, 114445, 128780, 133438, 183112, 228890, 257560, 266876, 333595, 457780, 533752, 667190, 915560, 1334380, 2668760, 3135793, 6271586, 12543172, 15678965, 25086344, 31357930, 62715860, 125431720]

約数ペア:

[(1, 125431720), (2, 62715860), (4, 31357930), (5, 25086344), (8, 15678965), (10, 12543172), (20, 6271586), (40, 3135793), (47, 2668760), (94, 1334380), (137, 915560), (188, 667190), (235, 533752), (274, 457780), (376, 333595), (470, 266876), (487, 257560), (548, 228890), (685, 183112), (940, 133438), (974, 128780), (1096, 114445), (1370, 91556), (1880, 66719), (1948, 64390), (2435, 51512), (2740, 45778), (3896, 32195), (4870, 25756), (5480, 22889), (6439, 19480), (9740, 12878)]