25187521540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:845

約数の個数: 96

約数和(自身を含む): 54171936000

約数和(自身を除く): 28984414460

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 199, 211, 337, 356, 398, 422, 445, 674, 796, 844, 890, 995, 1055, 1348, 1685, 1780, 1990, 2110, 3370, 3980, 4220, 6740, 17711, 18779, 29993, 35422, 37558, 41989, 59986, 67063, 70844, 71107, 75116, 83978, 88555, 93895, 119972, 134126, 142214, 149965, 167956, 177110, 187790, 209945, 268252, 284428, 299930, 335315, 354220, 355535, 375580, 419890, 599860, 670630, 711070, 839780, 1341260, 1422140, 3737021, 5968607, 6328523, 7474042, 11937214, 12657046, 14150293, 14948084, 18685105, 23874428, 25314092, 28300586, 29843035, 31642615, 37370210, 56601172, 59686070, 63285230, 70751465, 74740420, 119372140, 126570460, 141502930, 283005860, 1259376077, 2518752154, 5037504308, 6296880385, 12593760770, 25187521540]

約数ペア:

[(1, 25187521540), (2, 12593760770), (4, 6296880385), (5, 5037504308), (10, 2518752154), (20, 1259376077), (89, 283005860), (178, 141502930), (199, 126570460), (211, 119372140), (337, 74740420), (356, 70751465), (398, 63285230), (422, 59686070), (445, 56601172), (674, 37370210), (796, 31642615), (844, 29843035), (890, 28300586), (995, 25314092), (1055, 23874428), (1348, 18685105), (1685, 14948084), (1780, 14150293), (1990, 12657046), (2110, 11937214), (3370, 7474042), (3980, 6328523), (4220, 5968607), (6740, 3737021), (17711, 1422140), (18779, 1341260), (29993, 839780), (35422, 711070), (37558, 670630), (41989, 599860), (59986, 419890), (67063, 375580), (70844, 355535), (71107, 354220), (75116, 335315), (83978, 299930), (88555, 284428), (93895, 268252), (119972, 209945), (134126, 187790), (142214, 177110), (149965, 167956)]