157218961520

素因数分解:

$2^4\times 5^1\times {\mathrm{1965237019}}^1$

素因数の和:1965237032

約数の個数: 20

約数和(自身を含む): 365534085720

約数和(自身を除く): 208315124200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1965237019, 3930474038, 7860948076, 9826185095, 15721896152, 19652370190, 31443792304, 39304740380, 78609480760, 157218961520]

約数ペア:

[(1, 157218961520), (2, 78609480760), (4, 39304740380), (5, 31443792304), (8, 19652370190), (10, 15721896152), (16, 9826185095), (20, 7860948076), (40, 3930474038), (80, 1965237019)]