25802240

素因数分解:

$2^9\times 5^1\times {\mathrm{10079}}^1$

素因数の和:10102

約数の個数: 40

約数和(自身を含む): 61871040

約数和(自身を除く): 36068800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 10079, 20158, 40316, 50395, 80632, 100790, 161264, 201580, 322528, 403160, 645056, 806320, 1290112, 1612640, 2580224, 3225280, 5160448, 6450560, 12901120, 25802240]

約数ペア:

[(1, 25802240), (2, 12901120), (4, 6450560), (5, 5160448), (8, 3225280), (10, 2580224), (16, 1612640), (20, 1290112), (32, 806320), (40, 645056), (64, 403160), (80, 322528), (128, 201580), (160, 161264), (256, 100790), (320, 80632), (512, 50395), (640, 40316), (1280, 20158), (2560, 10079)]