55665920

素因数分解:

$2^8\times 5^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 134670984

約数和(自身を除く): 79005064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 256, 277, 314, 320, 554, 628, 640, 785, 1108, 1256, 1280, 1385, 1570, 2216, 2512, 2770, 3140, 4432, 5024, 5540, 6280, 8864, 10048, 11080, 12560, 17728, 20096, 22160, 25120, 35456, 40192, 43489, 44320, 50240, 70912, 86978, 88640, 100480, 173956, 177280, 200960, 217445, 347912, 354560, 434890, 695824, 869780, 1391648, 1739560, 2783296, 3479120, 5566592, 6958240, 11133184, 13916480, 27832960, 55665920]

約数ペア:

[(1, 55665920), (2, 27832960), (4, 13916480), (5, 11133184), (8, 6958240), (10, 5566592), (16, 3479120), (20, 2783296), (32, 1739560), (40, 1391648), (64, 869780), (80, 695824), (128, 434890), (157, 354560), (160, 347912), (256, 217445), (277, 200960), (314, 177280), (320, 173956), (554, 100480), (628, 88640), (640, 86978), (785, 70912), (1108, 50240), (1256, 44320), (1280, 43489), (1385, 40192), (1570, 35456), (2216, 25120), (2512, 22160), (2770, 20096), (3140, 17728), (4432, 12560), (5024, 11080), (5540, 10048), (6280, 8864)]