42489880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 99066240

約数和(自身を除く): 56576360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 97, 188, 194, 233, 235, 376, 388, 466, 470, 485, 776, 932, 940, 970, 1165, 1864, 1880, 1940, 2330, 3880, 4559, 4660, 9118, 9320, 10951, 18236, 21902, 22601, 22795, 36472, 43804, 45202, 45590, 54755, 87608, 90404, 91180, 109510, 113005, 180808, 182360, 219020, 226010, 438040, 452020, 904040, 1062247, 2124494, 4248988, 5311235, 8497976, 10622470, 21244940, 42489880]

約数ペア:

[(1, 42489880), (2, 21244940), (4, 10622470), (5, 8497976), (8, 5311235), (10, 4248988), (20, 2124494), (40, 1062247), (47, 904040), (94, 452020), (97, 438040), (188, 226010), (194, 219020), (233, 182360), (235, 180808), (376, 113005), (388, 109510), (466, 91180), (470, 90404), (485, 87608), (776, 54755), (932, 45590), (940, 45202), (970, 43804), (1165, 36472), (1864, 22795), (1880, 22601), (1940, 21902), (2330, 18236), (3880, 10951), (4559, 9320), (4660, 9118)]