24988990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 52093440

約数和(自身を除く): 27104450

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 67, 95, 130, 134, 151, 190, 247, 302, 335, 494, 670, 755, 871, 1235, 1273, 1510, 1742, 1963, 2470, 2546, 2869, 3926, 4355, 5738, 6365, 8710, 9815, 10117, 12730, 14345, 16549, 19630, 20234, 28690, 33098, 37297, 50585, 74594, 82745, 101170, 131521, 165490, 186485, 192223, 263042, 372970, 384446, 657605, 961115, 1315210, 1922230, 2498899, 4997798, 12494495, 24988990]

約数ペア:

[(1, 24988990), (2, 12494495), (5, 4997798), (10, 2498899), (13, 1922230), (19, 1315210), (26, 961115), (38, 657605), (65, 384446), (67, 372970), (95, 263042), (130, 192223), (134, 186485), (151, 165490), (190, 131521), (247, 101170), (302, 82745), (335, 74594), (494, 50585), (670, 37297), (755, 33098), (871, 28690), (1235, 20234), (1273, 19630), (1510, 16549), (1742, 14345), (1963, 12730), (2470, 10117), (2546, 9815), (2869, 8710), (3926, 6365), (4355, 5738)]