201784120

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{19181}}^1$

素因数の和:19455

約数の個数: 32

約数和(自身を含む): 455764320

約数和(自身を除く): 253980200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 19181, 38362, 76724, 95905, 153448, 191810, 383620, 767240, 5044603, 10089206, 20178412, 25223015, 40356824, 50446030, 100892060, 201784120]

約数ペア:

[(1, 201784120), (2, 100892060), (4, 50446030), (5, 40356824), (8, 25223015), (10, 20178412), (20, 10089206), (40, 5044603), (263, 767240), (526, 383620), (1052, 191810), (1315, 153448), (2104, 95905), (2630, 76724), (5260, 38362), (10520, 19181)]