201947840

素因数分解:

$2^6\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1543}}^1$

素因数の和:1969

約数の個数: 56

約数和(自身を含む): 482376480

約数和(自身を除く): 280428640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 409, 818, 1543, 1636, 2045, 3086, 3272, 4090, 6172, 6544, 7715, 8180, 12344, 13088, 15430, 16360, 24688, 26176, 30860, 32720, 49376, 61720, 65440, 98752, 123440, 130880, 246880, 493760, 631087, 1262174, 2524348, 3155435, 5048696, 6310870, 10097392, 12621740, 20194784, 25243480, 40389568, 50486960, 100973920, 201947840]

約数ペア:

[(1, 201947840), (2, 100973920), (4, 50486960), (5, 40389568), (8, 25243480), (10, 20194784), (16, 12621740), (20, 10097392), (32, 6310870), (40, 5048696), (64, 3155435), (80, 2524348), (160, 1262174), (320, 631087), (409, 493760), (818, 246880), (1543, 130880), (1636, 123440), (2045, 98752), (3086, 65440), (3272, 61720), (4090, 49376), (6172, 32720), (6544, 30860), (7715, 26176), (8180, 24688), (12344, 16360), (13088, 15430)]