2008265690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{50497}}^1$

素因数の和:50642

約数の個数: 32

約数和(自身を含む): 3741295824

約数和(自身を除く): 1733030134

約数列:

[1, 2, 5, 10, 41, 82, 97, 194, 205, 410, 485, 970, 3977, 7954, 19885, 39770, 50497, 100994, 252485, 504970, 2070377, 4140754, 4898209, 9796418, 10351885, 20703770, 24491045, 48982090, 200826569, 401653138, 1004132845, 2008265690]

約数ペア:

[(1, 2008265690), (2, 1004132845), (5, 401653138), (10, 200826569), (41, 48982090), (82, 24491045), (97, 20703770), (194, 10351885), (205, 9796418), (410, 4898209), (485, 4140754), (970, 2070377), (3977, 504970), (7954, 252485), (19885, 100994), (39770, 50497)]