55859720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199499}}^1$

素因数の和:199517

約数の個数: 32

約数和(自身を含む): 143640000

約数和(自身を除く): 87780280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 199499, 398998, 797996, 997495, 1396493, 1595992, 1994990, 2792986, 3989980, 5585972, 6982465, 7979960, 11171944, 13964930, 27929860, 55859720]

約数ペア:

[(1, 55859720), (2, 27929860), (4, 13964930), (5, 11171944), (7, 7979960), (8, 6982465), (10, 5585972), (14, 3989980), (20, 2792986), (28, 1994990), (35, 1595992), (40, 1396493), (56, 997495), (70, 797996), (140, 398998), (280, 199499)]