208049840

素因数分解:

$2^4\times 5^1\times {\mathrm{719}}^1\times {\mathrm{3617}}^1$

素因数の和:4349

約数の個数: 40

約数和(自身を含む): 484522560

約数和(自身を除く): 276472720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 719, 1438, 2876, 3595, 3617, 5752, 7190, 7234, 11504, 14380, 14468, 18085, 28760, 28936, 36170, 57520, 57872, 72340, 144680, 289360, 2600623, 5201246, 10402492, 13003115, 20804984, 26006230, 41609968, 52012460, 104024920, 208049840]

約数ペア:

[(1, 208049840), (2, 104024920), (4, 52012460), (5, 41609968), (8, 26006230), (10, 20804984), (16, 13003115), (20, 10402492), (40, 5201246), (80, 2600623), (719, 289360), (1438, 144680), (2876, 72340), (3595, 57872), (3617, 57520), (5752, 36170), (7190, 28936), (7234, 28760), (11504, 18085), (14380, 14468)]