89860000

素因数分解:

$2^5\times 5^4\times {\mathrm{4493}}^1$

素因数の和:4523

約数の個数: 60

約数和(自身を含む): 221118282

約数和(自身を除く): 131258282

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 4000, 4493, 5000, 8986, 10000, 17972, 20000, 22465, 35944, 44930, 71888, 89860, 112325, 143776, 179720, 224650, 359440, 449300, 561625, 718880, 898600, 1123250, 1797200, 2246500, 2808125, 3594400, 4493000, 5616250, 8986000, 11232500, 17972000, 22465000, 44930000, 89860000]

約数ペア:

[(1, 89860000), (2, 44930000), (4, 22465000), (5, 17972000), (8, 11232500), (10, 8986000), (16, 5616250), (20, 4493000), (25, 3594400), (32, 2808125), (40, 2246500), (50, 1797200), (80, 1123250), (100, 898600), (125, 718880), (160, 561625), (200, 449300), (250, 359440), (400, 224650), (500, 179720), (625, 143776), (800, 112325), (1000, 89860), (1250, 71888), (2000, 44930), (2500, 35944), (4000, 22465), (4493, 20000), (5000, 17972), (8986, 10000)]