55781120

素因数分解:

$2^8\times 5^1\times {\mathrm{43579}}^1$

素因数の和:43600

約数の個数: 36

約数和(自身を含む): 133616280

約数和(自身を除く): 77835160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 43579, 87158, 174316, 217895, 348632, 435790, 697264, 871580, 1394528, 1743160, 2789056, 3486320, 5578112, 6972640, 11156224, 13945280, 27890560, 55781120]

約数ペア:

[(1, 55781120), (2, 27890560), (4, 13945280), (5, 11156224), (8, 6972640), (10, 5578112), (16, 3486320), (20, 2789056), (32, 1743160), (40, 1394528), (64, 871580), (80, 697264), (128, 435790), (160, 348632), (256, 217895), (320, 174316), (640, 87158), (1280, 43579)]