25532800

素因数分解:

$2^7\times 5^2\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 64504800

約数和(自身を除く): 38972000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 101, 128, 158, 160, 200, 202, 316, 320, 395, 400, 404, 505, 632, 640, 790, 800, 808, 1010, 1264, 1580, 1600, 1616, 1975, 2020, 2525, 2528, 3160, 3200, 3232, 3950, 4040, 5050, 5056, 6320, 6464, 7900, 7979, 8080, 10100, 10112, 12640, 12928, 15800, 15958, 16160, 20200, 25280, 31600, 31916, 32320, 39895, 40400, 50560, 63200, 63832, 64640, 79790, 80800, 126400, 127664, 159580, 161600, 199475, 252800, 255328, 319160, 323200, 398950, 510656, 638320, 797900, 1021312, 1276640, 1595800, 2553280, 3191600, 5106560, 6383200, 12766400, 25532800]

約数ペア:

[(1, 25532800), (2, 12766400), (4, 6383200), (5, 5106560), (8, 3191600), (10, 2553280), (16, 1595800), (20, 1276640), (25, 1021312), (32, 797900), (40, 638320), (50, 510656), (64, 398950), (79, 323200), (80, 319160), (100, 255328), (101, 252800), (128, 199475), (158, 161600), (160, 159580), (200, 127664), (202, 126400), (316, 80800), (320, 79790), (395, 64640), (400, 63832), (404, 63200), (505, 50560), (632, 40400), (640, 39895), (790, 32320), (800, 31916), (808, 31600), (1010, 25280), (1264, 20200), (1580, 16160), (1600, 15958), (1616, 15800), (1975, 12928), (2020, 12640), (2525, 10112), (2528, 10100), (3160, 8080), (3200, 7979), (3232, 7900), (3950, 6464), (4040, 6320), (5050, 5056)]