2572940

素因数分解:

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

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 5460000

約数和(自身を除く): 2887060

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 1249, 2060, 2498, 4996, 6245, 12490, 24980, 128647, 257294, 514588, 643235, 1286470, 2572940]

約数ペア:

[(1, 2572940), (2, 1286470), (4, 643235), (5, 514588), (10, 257294), (20, 128647), (103, 24980), (206, 12490), (412, 6245), (515, 4996), (1030, 2498), (1249, 2060)]