25534880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{3257}}^1$

素因数の和:3286

約数の個数: 72

約数和(自身を含む): 70196868

約数和(自身を除く): 44661988

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3257, 3920, 6514, 7840, 13028, 16285, 22799, 26056, 32570, 45598, 52112, 65140, 91196, 104224, 113995, 130280, 159593, 182392, 227990, 260560, 319186, 364784, 455980, 521120, 638372, 729568, 797965, 911960, 1276744, 1595930, 1823920, 2553488, 3191860, 3647840, 5106976, 6383720, 12767440, 25534880]

約数ペア:

[(1, 25534880), (2, 12767440), (4, 6383720), (5, 5106976), (7, 3647840), (8, 3191860), (10, 2553488), (14, 1823920), (16, 1595930), (20, 1276744), (28, 911960), (32, 797965), (35, 729568), (40, 638372), (49, 521120), (56, 455980), (70, 364784), (80, 319186), (98, 260560), (112, 227990), (140, 182392), (160, 159593), (196, 130280), (224, 113995), (245, 104224), (280, 91196), (392, 65140), (490, 52112), (560, 45598), (784, 32570), (980, 26056), (1120, 22799), (1568, 16285), (1960, 13028), (3257, 7840), (3920, 6514)]