25418240

素因数分解:

$2^9\times 5^1\times {\mathrm{9929}}^1$

素因数の和:9952

約数の個数: 40

約数和(自身を含む): 60950340

約数和(自身を除く): 35532100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 9929, 19858, 39716, 49645, 79432, 99290, 158864, 198580, 317728, 397160, 635456, 794320, 1270912, 1588640, 2541824, 3177280, 5083648, 6354560, 12709120, 25418240]

約数ペア:

[(1, 25418240), (2, 12709120), (4, 6354560), (5, 5083648), (8, 3177280), (10, 2541824), (16, 1588640), (20, 1270912), (32, 794320), (40, 635456), (64, 397160), (80, 317728), (128, 198580), (160, 158864), (256, 99290), (320, 79432), (512, 49645), (640, 39716), (1280, 19858), (2560, 9929)]