82081000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{1039}}^1$

素因数の和:1139

約数の個数: 64

約数和(自身を含む): 194688000

約数和(自身を除く): 112607000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 250, 316, 395, 500, 632, 790, 1000, 1039, 1580, 1975, 2078, 3160, 3950, 4156, 5195, 7900, 8312, 9875, 10390, 15800, 19750, 20780, 25975, 39500, 41560, 51950, 79000, 82081, 103900, 129875, 164162, 207800, 259750, 328324, 410405, 519500, 656648, 820810, 1039000, 1641620, 2052025, 3283240, 4104050, 8208100, 10260125, 16416200, 20520250, 41040500, 82081000]

約数ペア:

[(1, 82081000), (2, 41040500), (4, 20520250), (5, 16416200), (8, 10260125), (10, 8208100), (20, 4104050), (25, 3283240), (40, 2052025), (50, 1641620), (79, 1039000), (100, 820810), (125, 656648), (158, 519500), (200, 410405), (250, 328324), (316, 259750), (395, 207800), (500, 164162), (632, 129875), (790, 103900), (1000, 82081), (1039, 79000), (1580, 51950), (1975, 41560), (2078, 39500), (3160, 25975), (3950, 20780), (4156, 19750), (5195, 15800), (7900, 10390), (8312, 9875)]