28398040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{277}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 70256160

約数和(自身を除く): 41858120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 233, 277, 440, 466, 554, 932, 1108, 1165, 1385, 1864, 2216, 2330, 2563, 2770, 3047, 4660, 5126, 5540, 6094, 9320, 10252, 11080, 12188, 12815, 15235, 20504, 24376, 25630, 30470, 51260, 60940, 64541, 102520, 121880, 129082, 258164, 322705, 516328, 645410, 709951, 1290820, 1419902, 2581640, 2839804, 3549755, 5679608, 7099510, 14199020, 28398040]

約数ペア:

[(1, 28398040), (2, 14199020), (4, 7099510), (5, 5679608), (8, 3549755), (10, 2839804), (11, 2581640), (20, 1419902), (22, 1290820), (40, 709951), (44, 645410), (55, 516328), (88, 322705), (110, 258164), (220, 129082), (233, 121880), (277, 102520), (440, 64541), (466, 60940), (554, 51260), (932, 30470), (1108, 25630), (1165, 24376), (1385, 20504), (1864, 15235), (2216, 12815), (2330, 12188), (2563, 11080), (2770, 10252), (3047, 9320), (4660, 6094), (5126, 5540)]