48889840

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2557}}^1$

素因数の和:2809

約数の個数: 40

約数和(自身を含む): 114189120

約数和(自身を除く): 65299280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 2557, 3824, 4780, 5114, 9560, 10228, 12785, 19120, 20456, 25570, 40912, 51140, 102280, 204560, 611123, 1222246, 2444492, 3055615, 4888984, 6111230, 9777968, 12222460, 24444920, 48889840]

約数ペア:

[(1, 48889840), (2, 24444920), (4, 12222460), (5, 9777968), (8, 6111230), (10, 4888984), (16, 3055615), (20, 2444492), (40, 1222246), (80, 611123), (239, 204560), (478, 102280), (956, 51140), (1195, 40912), (1912, 25570), (2390, 20456), (2557, 19120), (3824, 12785), (4780, 10228), (5114, 9560)]