2049536450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{12269}}^1$

素因数の和:12551

約数の個数: 48

約数和(自身を含む): 4121689320

約数和(自身を除く): 2072152870

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 257, 325, 514, 650, 1285, 2570, 3341, 6425, 6682, 12269, 12850, 16705, 24538, 33410, 61345, 83525, 122690, 159497, 167050, 306725, 318994, 613450, 797485, 1594970, 3153133, 3987425, 6306266, 7974850, 15765665, 31531330, 40990729, 78828325, 81981458, 157656650, 204953645, 409907290, 1024768225, 2049536450]

約数ペア:

[(1, 2049536450), (2, 1024768225), (5, 409907290), (10, 204953645), (13, 157656650), (25, 81981458), (26, 78828325), (50, 40990729), (65, 31531330), (130, 15765665), (257, 7974850), (325, 6306266), (514, 3987425), (650, 3153133), (1285, 1594970), (2570, 797485), (3341, 613450), (6425, 318994), (6682, 306725), (12269, 167050), (12850, 159497), (16705, 122690), (24538, 83525), (33410, 61345)]