1246194920

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{124123}}^1$

素因数の和:124385

約数の個数: 32

約数和(自身を含む): 2815132320

約数和(自身を除く): 1568937400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 124123, 248246, 496492, 620615, 992984, 1241230, 2482460, 4964920, 31154873, 62309746, 124619492, 155774365, 249238984, 311548730, 623097460, 1246194920]

約数ペア:

[(1, 1246194920), (2, 623097460), (4, 311548730), (5, 249238984), (8, 155774365), (10, 124619492), (20, 62309746), (40, 31154873), (251, 4964920), (502, 2482460), (1004, 1241230), (1255, 992984), (2008, 620615), (2510, 496492), (5020, 248246), (10040, 124123)]