2180996920

素因数分解:

$2^3\times 5^1\times {\mathrm{1523}}^1\times {\mathrm{35801}}^1$

素因数の和:37335

約数の個数: 32

約数和(自身を含む): 4910602320

約数和(自身を除く): 2729605400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1523, 3046, 6092, 7615, 12184, 15230, 30460, 35801, 60920, 71602, 143204, 179005, 286408, 358010, 716020, 1432040, 54524923, 109049846, 218099692, 272624615, 436199384, 545249230, 1090498460, 2180996920]

約数ペア:

[(1, 2180996920), (2, 1090498460), (4, 545249230), (5, 436199384), (8, 272624615), (10, 218099692), (20, 109049846), (40, 54524923), (1523, 1432040), (3046, 716020), (6092, 358010), (7615, 286408), (12184, 179005), (15230, 143204), (30460, 71602), (35801, 60920)]