201245840

素因数分解:

$2^4\times 5^1\times {\mathrm{2515573}}^1$

素因数の和:2515586

約数の個数: 20

約数和(自身を含む): 467896764

約数和(自身を除く): 266650924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2515573, 5031146, 10062292, 12577865, 20124584, 25155730, 40249168, 50311460, 100622920, 201245840]

約数ペア:

[(1, 201245840), (2, 100622920), (4, 50311460), (5, 40249168), (8, 25155730), (10, 20124584), (16, 12577865), (20, 10062292), (40, 5031146), (80, 2515573)]