155475940

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{61211}}^1$

素因数の和:61347

約数の個数: 24

約数和(自身を含む): 329075712

約数和(自身を除く): 173599772

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 61211, 122422, 244844, 306055, 612110, 1224220, 7773797, 15547594, 31095188, 38868985, 77737970, 155475940]

約数ペア:

[(1, 155475940), (2, 77737970), (4, 38868985), (5, 31095188), (10, 15547594), (20, 7773797), (127, 1224220), (254, 612110), (508, 306055), (635, 244844), (1270, 122422), (2540, 61211)]