145548440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{59651}}^1$

素因数の和:59723

約数の個数: 32

約数和(自身を含む): 332858160

約数和(自身を除く): 187309720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 59651, 119302, 238604, 298255, 477208, 596510, 1193020, 2386040, 3638711, 7277422, 14554844, 18193555, 29109688, 36387110, 72774220, 145548440]

約数ペア:

[(1, 145548440), (2, 72774220), (4, 36387110), (5, 29109688), (8, 18193555), (10, 14554844), (20, 7277422), (40, 3638711), (61, 2386040), (122, 1193020), (244, 596510), (305, 477208), (488, 298255), (610, 238604), (1220, 119302), (2440, 59651)]