25420120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{57773}}^1$

素因数の和:57795

約数の個数: 32

約数和(自身を含む): 62395920

約数和(自身を除く): 36975800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 57773, 115546, 231092, 288865, 462184, 577730, 635503, 1155460, 1271006, 2310920, 2542012, 3177515, 5084024, 6355030, 12710060, 25420120]

約数ペア:

[(1, 25420120), (2, 12710060), (4, 6355030), (5, 5084024), (8, 3177515), (10, 2542012), (11, 2310920), (20, 1271006), (22, 1155460), (40, 635503), (44, 577730), (55, 462184), (88, 288865), (110, 231092), (220, 115546), (440, 57773)]