159164920

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{9923}}^1$

素因数の和:10335

約数の個数: 32

約数和(自身を含む): 359050320

約数和(自身を除く): 199885400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 9923, 16040, 19846, 39692, 49615, 79384, 99230, 198460, 396920, 3979123, 7958246, 15916492, 19895615, 31832984, 39791230, 79582460, 159164920]

約数ペア:

[(1, 159164920), (2, 79582460), (4, 39791230), (5, 31832984), (8, 19895615), (10, 15916492), (20, 7958246), (40, 3979123), (401, 396920), (802, 198460), (1604, 99230), (2005, 79384), (3208, 49615), (4010, 39692), (8020, 19846), (9923, 16040)]