7638800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{113}}^1$

素因数の和:157

約数の個数: 90

約数和(自身を含む): 20048382

約数和(自身を除く): 12409582

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 113, 130, 169, 200, 208, 226, 260, 325, 338, 400, 452, 520, 565, 650, 676, 845, 904, 1040, 1130, 1300, 1352, 1469, 1690, 1808, 2260, 2600, 2704, 2825, 2938, 3380, 4225, 4520, 5200, 5650, 5876, 6760, 7345, 8450, 9040, 11300, 11752, 13520, 14690, 16900, 19097, 22600, 23504, 29380, 33800, 36725, 38194, 45200, 58760, 67600, 73450, 76388, 95485, 117520, 146900, 152776, 190970, 293800, 305552, 381940, 477425, 587600, 763880, 954850, 1527760, 1909700, 3819400, 7638800]

約数ペア:

[(1, 7638800), (2, 3819400), (4, 1909700), (5, 1527760), (8, 954850), (10, 763880), (13, 587600), (16, 477425), (20, 381940), (25, 305552), (26, 293800), (40, 190970), (50, 152776), (52, 146900), (65, 117520), (80, 95485), (100, 76388), (104, 73450), (113, 67600), (130, 58760), (169, 45200), (200, 38194), (208, 36725), (226, 33800), (260, 29380), (325, 23504), (338, 22600), (400, 19097), (452, 16900), (520, 14690), (565, 13520), (650, 11752), (676, 11300), (845, 9040), (904, 8450), (1040, 7345), (1130, 6760), (1300, 5876), (1352, 5650), (1469, 5200), (1690, 4520), (1808, 4225), (2260, 3380), (2600, 2938), (2704, 2825)]