208049200

素因数分解:

$2^4\times 5^2\times {\mathrm{520123}}^1$

素因数の和:520141

約数の個数: 30

約数和(自身を含む): 499839164

約数和(自身を除く): 291789964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 520123, 1040246, 2080492, 2600615, 4160984, 5201230, 8321968, 10402460, 13003075, 20804920, 26006150, 41609840, 52012300, 104024600, 208049200]

約数ペア:

[(1, 208049200), (2, 104024600), (4, 52012300), (5, 41609840), (8, 26006150), (10, 20804920), (16, 13003075), (20, 10402460), (25, 8321968), (40, 5201230), (50, 4160984), (80, 2600615), (100, 2080492), (200, 1040246), (400, 520123)]