51145280

素因数分解:

$2^6\times 5^1\times {\mathrm{277}}^1\times {\mathrm{577}}^1$

素因数の和:871

約数の個数: 56

約数和(自身を含む): 122441208

約数和(自身を除く): 71295928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 277, 320, 554, 577, 1108, 1154, 1385, 2216, 2308, 2770, 2885, 4432, 4616, 5540, 5770, 8864, 9232, 11080, 11540, 17728, 18464, 22160, 23080, 36928, 44320, 46160, 88640, 92320, 159829, 184640, 319658, 639316, 799145, 1278632, 1598290, 2557264, 3196580, 5114528, 6393160, 10229056, 12786320, 25572640, 51145280]

約数ペア:

[(1, 51145280), (2, 25572640), (4, 12786320), (5, 10229056), (8, 6393160), (10, 5114528), (16, 3196580), (20, 2557264), (32, 1598290), (40, 1278632), (64, 799145), (80, 639316), (160, 319658), (277, 184640), (320, 159829), (554, 92320), (577, 88640), (1108, 46160), (1154, 44320), (1385, 36928), (2216, 23080), (2308, 22160), (2770, 18464), (2885, 17728), (4432, 11540), (4616, 11080), (5540, 9232), (5770, 8864)]