57187840

素因数分解:

$2^9\times 5^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:363

約数の個数: 80

約数和(自身を含む): 139209840

約数和(自身を除く): 82022000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 251, 256, 320, 356, 445, 502, 512, 640, 712, 890, 1004, 1255, 1280, 1424, 1780, 2008, 2510, 2560, 2848, 3560, 4016, 5020, 5696, 7120, 8032, 10040, 11392, 14240, 16064, 20080, 22339, 22784, 28480, 32128, 40160, 44678, 45568, 56960, 64256, 80320, 89356, 111695, 113920, 128512, 160640, 178712, 223390, 227840, 321280, 357424, 446780, 642560, 714848, 893560, 1429696, 1787120, 2859392, 3574240, 5718784, 7148480, 11437568, 14296960, 28593920, 57187840]

約数ペア:

[(1, 57187840), (2, 28593920), (4, 14296960), (5, 11437568), (8, 7148480), (10, 5718784), (16, 3574240), (20, 2859392), (32, 1787120), (40, 1429696), (64, 893560), (80, 714848), (89, 642560), (128, 446780), (160, 357424), (178, 321280), (251, 227840), (256, 223390), (320, 178712), (356, 160640), (445, 128512), (502, 113920), (512, 111695), (640, 89356), (712, 80320), (890, 64256), (1004, 56960), (1255, 45568), (1280, 44678), (1424, 40160), (1780, 32128), (2008, 28480), (2510, 22784), (2560, 22339), (2848, 20080), (3560, 16064), (4016, 14240), (5020, 11392), (5696, 10040), (7120, 8032)]