4972720

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1093

約数の個数: 40

約数和(自身を含む): 11762640

約数和(自身を除く): 6789920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1019, 1220, 2038, 2440, 4076, 4880, 5095, 8152, 10190, 16304, 20380, 40760, 62159, 81520, 124318, 248636, 310795, 497272, 621590, 994544, 1243180, 2486360, 4972720]

約数ペア:

[(1, 4972720), (2, 2486360), (4, 1243180), (5, 994544), (8, 621590), (10, 497272), (16, 310795), (20, 248636), (40, 124318), (61, 81520), (80, 62159), (122, 40760), (244, 20380), (305, 16304), (488, 10190), (610, 8152), (976, 5095), (1019, 4880), (1220, 4076), (2038, 2440)]