55118720

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1303

約数の個数: 64

約数和(自身を含む): 133734240

約数和(自身を除く): 78615520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1213, 1420, 2272, 2426, 2840, 4544, 4852, 5680, 6065, 9088, 9704, 11360, 12130, 19408, 22720, 24260, 38816, 45440, 48520, 77632, 86123, 97040, 155264, 172246, 194080, 344492, 388160, 430615, 688984, 776320, 861230, 1377968, 1722460, 2755936, 3444920, 5511872, 6889840, 11023744, 13779680, 27559360, 55118720]

約数ペア:

[(1, 55118720), (2, 27559360), (4, 13779680), (5, 11023744), (8, 6889840), (10, 5511872), (16, 3444920), (20, 2755936), (32, 1722460), (40, 1377968), (64, 861230), (71, 776320), (80, 688984), (128, 430615), (142, 388160), (160, 344492), (284, 194080), (320, 172246), (355, 155264), (568, 97040), (640, 86123), (710, 77632), (1136, 48520), (1213, 45440), (1420, 38816), (2272, 24260), (2426, 22720), (2840, 19408), (4544, 12130), (4852, 11360), (5680, 9704), (6065, 9088)]