30209720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{16069}}^1$

素因数の和:16127

約数の個数: 32

約数和(自身を含む): 69422400

約数和(自身を除く): 39212680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 16069, 32138, 64276, 80345, 128552, 160690, 321380, 642760, 755243, 1510486, 3020972, 3776215, 6041944, 7552430, 15104860, 30209720]

約数ペア:

[(1, 30209720), (2, 15104860), (4, 7552430), (5, 6041944), (8, 3776215), (10, 3020972), (20, 1510486), (40, 755243), (47, 642760), (94, 321380), (188, 160690), (235, 128552), (376, 80345), (470, 64276), (940, 32138), (1880, 16069)]