5216720

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1069}}^1$

素因数の和:1143

約数の個数: 40

約数和(自身を含む): 12339240

約数和(自身を除く): 7122520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1069, 1220, 2138, 2440, 4276, 4880, 5345, 8552, 10690, 17104, 21380, 42760, 65209, 85520, 130418, 260836, 326045, 521672, 652090, 1043344, 1304180, 2608360, 5216720]

約数ペア:

[(1, 5216720), (2, 2608360), (4, 1304180), (5, 1043344), (8, 652090), (10, 521672), (16, 326045), (20, 260836), (40, 130418), (61, 85520), (80, 65209), (122, 42760), (244, 21380), (305, 17104), (488, 10690), (610, 8552), (976, 5345), (1069, 4880), (1220, 4276), (2138, 2440)]