162878920

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{16223}}^1$

素因数の和:16485

約数の個数: 32

約数和(自身を含む): 367960320

約数和(自身を除く): 205081400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 16223, 32446, 64892, 81115, 129784, 162230, 324460, 648920, 4071973, 8143946, 16287892, 20359865, 32575784, 40719730, 81439460, 162878920]

約数ペア:

[(1, 162878920), (2, 81439460), (4, 40719730), (5, 32575784), (8, 20359865), (10, 16287892), (20, 8143946), (40, 4071973), (251, 648920), (502, 324460), (1004, 162230), (1255, 129784), (2008, 81115), (2510, 64892), (5020, 32446), (10040, 16223)]