202015520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{180371}}^1$

素因数の和:180393

約数の個数: 48

約数和(自身を含む): 545444928

約数和(自身を除く): 343429408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 180371, 360742, 721484, 901855, 1262597, 1442968, 1803710, 2525194, 2885936, 3607420, 5050388, 5771872, 6312985, 7214840, 10100776, 12625970, 14429680, 20201552, 25251940, 28859360, 40403104, 50503880, 101007760, 202015520]

約数ペア:

[(1, 202015520), (2, 101007760), (4, 50503880), (5, 40403104), (7, 28859360), (8, 25251940), (10, 20201552), (14, 14429680), (16, 12625970), (20, 10100776), (28, 7214840), (32, 6312985), (35, 5771872), (40, 5050388), (56, 3607420), (70, 2885936), (80, 2525194), (112, 1803710), (140, 1442968), (160, 1262597), (224, 901855), (280, 721484), (560, 360742), (1120, 180371)]