26262040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13399}}^1$

素因数の和:13424

約数の個数: 48

約数和(自身を含む): 68742000

約数和(自身を除く): 42479960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 13399, 26798, 53596, 66995, 93793, 107192, 133990, 187586, 267980, 375172, 468965, 535960, 656551, 750344, 937930, 1313102, 1875860, 2626204, 3282755, 3751720, 5252408, 6565510, 13131020, 26262040]

約数ペア:

[(1, 26262040), (2, 13131020), (4, 6565510), (5, 5252408), (7, 3751720), (8, 3282755), (10, 2626204), (14, 1875860), (20, 1313102), (28, 937930), (35, 750344), (40, 656551), (49, 535960), (56, 468965), (70, 375172), (98, 267980), (140, 187586), (196, 133990), (245, 107192), (280, 93793), (392, 66995), (490, 53596), (980, 26798), (1960, 13399)]