1291001050

素因数分解:

$2^1\times 5^2\times {\mathrm{25820021}}^1$

素因数の和:25820033

約数の個数: 12

約数和(自身を含む): 2401262046

約数和(自身を除く): 1110260996

約数列:

[1, 2, 5, 10, 25, 50, 25820021, 51640042, 129100105, 258200210, 645500525, 1291001050]

約数ペア:

[(1, 1291001050), (2, 645500525), (5, 258200210), (10, 129100105), (25, 51640042), (50, 25820021)]