5145880

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1249}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 11700000

約数和(自身を除く): 6554120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 1249, 2060, 2498, 4120, 4996, 6245, 9992, 12490, 24980, 49960, 128647, 257294, 514588, 643235, 1029176, 1286470, 2572940, 5145880]

約数ペア:

[(1, 5145880), (2, 2572940), (4, 1286470), (5, 1029176), (8, 643235), (10, 514588), (20, 257294), (40, 128647), (103, 49960), (206, 24980), (412, 12490), (515, 9992), (824, 6245), (1030, 4996), (1249, 4120), (2060, 2498)]