25754000

素因数分解:

$2^4\times 5^3\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 80

約数和(自身を含む): 63448320

約数和(自身を除く): 37694320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 125, 158, 163, 200, 250, 316, 326, 395, 400, 500, 632, 652, 790, 815, 1000, 1264, 1304, 1580, 1630, 1975, 2000, 2608, 3160, 3260, 3950, 4075, 6320, 6520, 7900, 8150, 9875, 12877, 13040, 15800, 16300, 19750, 20375, 25754, 31600, 32600, 39500, 40750, 51508, 64385, 65200, 79000, 81500, 103016, 128770, 158000, 163000, 206032, 257540, 321925, 326000, 515080, 643850, 1030160, 1287700, 1609625, 2575400, 3219250, 5150800, 6438500, 12877000, 25754000]

約数ペア:

[(1, 25754000), (2, 12877000), (4, 6438500), (5, 5150800), (8, 3219250), (10, 2575400), (16, 1609625), (20, 1287700), (25, 1030160), (40, 643850), (50, 515080), (79, 326000), (80, 321925), (100, 257540), (125, 206032), (158, 163000), (163, 158000), (200, 128770), (250, 103016), (316, 81500), (326, 79000), (395, 65200), (400, 64385), (500, 51508), (632, 40750), (652, 39500), (790, 32600), (815, 31600), (1000, 25754), (1264, 20375), (1304, 19750), (1580, 16300), (1630, 15800), (1975, 13040), (2000, 12877), (2608, 9875), (3160, 8150), (3260, 7900), (3950, 6520), (4075, 6320)]