4130920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1693}}^1$

素因数の和:1765

約数の個数: 32

約数和(自身を含む): 9452520

約数和(自身を除く): 5321600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1693, 2440, 3386, 6772, 8465, 13544, 16930, 33860, 67720, 103273, 206546, 413092, 516365, 826184, 1032730, 2065460, 4130920]

約数ペア:

[(1, 4130920), (2, 2065460), (4, 1032730), (5, 826184), (8, 516365), (10, 413092), (20, 206546), (40, 103273), (61, 67720), (122, 33860), (244, 16930), (305, 13544), (488, 8465), (610, 6772), (1220, 3386), (1693, 2440)]